38623 has 4 divisors (see below), whose sum is σ = 41608. Its totient is φ = 35640.

The previous prime is 38611. The next prime is 38629. The reversal of 38623 is 32683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38623 - 2¹³ = 30431 is a prime.

It is a super-2 number, since 2×38623² = 2983472258, which contains 22 as substring.

It is a Duffinian number.

38623 is a lucky number.

It is a plaindrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 38594 and 38603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1473 + ... + 1498.

It is an arithmetic number, because the mean of its divisors is an integer number (10402).

2³⁸⁶²³ is an apocalyptic number.

38623 is a deficient number, since it is larger than the sum of its proper divisors (2985).

38623 is a wasteful number, since it uses less digits than its factorization.

38623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984.

The product of its digits is 864, while the sum is 22.

The square root of 38623 is about 196.5273517860. The cubic root of 38623 is about 33.8024880584.

The spelling of 38623 in words is "thirty-eight thousand, six hundred twenty-three".