23251044431 has 8 divisors (see below), whose sum is σ = 23821627584. Its totient is φ = 22683623040.

The previous prime is 23251044413. The next prime is 23251044457. The reversal of 23251044431 is 13444015232.

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 23251044431 - 2⁶ = 23251044367 is a prime.

It is a super-2 number, since 2×23251044431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23251044394 and 23251044403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23251044631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775550 + ... + 804971.

It is an arithmetic number, because the mean of its divisors is an integer number (2977703448).

Almost surely, 2^23251044431 is an apocalyptic number.

23251044431 is a deficient number, since it is larger than the sum of its proper divisors (570583153).

23251044431 is a wasteful number, since it uses less digits than its factorization.

23251044431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580881.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 23251044431 its reverse (13444015232), we get a palindrome (36695059663).

The spelling of 23251044431 in words is "twenty-three billion, two hundred fifty-one million, forty-four thousand, four hundred thirty-one".