23031043431 has 8 divisors (see below), whose sum is σ = 33499699584. Its totient is φ = 13958208120.

The previous prime is 23031043411. The next prime is 23031043481. The reversal of 23031043431 is 13434013032.

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

It is not a de Polignac number, because 23031043431 - 2⁶ = 23031043367 is a prime.

It is a super-2 number, since 2×23031043431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031043411) 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, 348955171 + ... + 348955236.

It is an arithmetic number, because the mean of its divisors is an integer number (4187462448).

Almost surely, 2^23031043431 is an apocalyptic number.

23031043431 is a deficient number, since it is larger than the sum of its proper divisors (10468656153).

23031043431 is a wasteful number, since it uses less digits than its factorization.

23031043431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697910421.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 23031043431 its reverse (13434013032), we get a palindrome (36465056463).

The spelling of 23031043431 in words is "twenty-three billion, thirty-one million, forty-three thousand, four hundred thirty-one".