143623 has 8 divisors (see below), whose sum is σ = 153216. Its totient is φ = 134400.

The previous prime is 143617. The next prime is 143629. The reversal of 143623 is 326341.

It is an interprime number because it is at equal distance from previous prime (143617) and next prime (143629).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143623 - 2⁹ = 143111 is a prime.

It is a super-2 number, since 2×143623² = 41255132258, which contains 22 as substring.

It is a Duffinian number.

143623 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 143623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (19152).

2¹⁴³⁶²³ is an apocalyptic number.

143623 is a deficient number, since it is larger than the sum of its proper divisors (9593).

143623 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (143622) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (185).

143623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185.

The product of its digits is 432, while the sum is 19.

The square root of 143623 is about 378.9762525542. The cubic root of 143623 is about 52.3690462642.

Adding to 143623 its reverse (326341), we get a palindrome (469964).

It can be divided in two parts, 14362 and 3, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 143623 in words is "one hundred forty-three thousand, six hundred twenty-three".