1423140343 has 8 divisors (see below), whose sum is σ = 1473292800. Its totient is φ = 1373253240.

The previous prime is 1423140331. The next prime is 1423140347. The reversal of 1423140343 is 3430413241.

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 1423140343 - 2⁵ = 1423140311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423140347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55393 + ... + 76906.

It is an arithmetic number, because the mean of its divisors is an integer number (184161600).

Almost surely, 2^1423140343 is an apocalyptic number.

1423140343 is a deficient number, since it is larger than the sum of its proper divisors (50152457).

1423140343 is a wasteful number, since it uses less digits than its factorization.

1423140343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132677.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1423140343 is about 37724.5323761607. The cubic root of 1423140343 is about 1124.8188265944.

Adding to 1423140343 its reverse (3430413241), we get a palindrome (4853553584).

The spelling of 1423140343 in words is "one billion, four hundred twenty-three million, one hundred forty thousand, three hundred forty-three".