23423632431 has 8 divisors (see below), whose sum is σ = 31266963504. Its totient is φ = 15598028160.

The previous prime is 23423632417. The next prime is 23423632447. The reversal of 23423632431 is 13423632432.

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

It is not a de Polignac number, because 23423632431 - 2⁶ = 23423632367 is a prime.

It is a super-2 number, since 2×23423632431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23423632392 and 23423632401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423634431) 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, 4428616 + ... + 4433901.

It is an arithmetic number, because the mean of its divisors is an integer number (3908370438).

Almost surely, 2^23423632431 is an apocalyptic number.

23423632431 is a deficient number, since it is larger than the sum of its proper divisors (7843331073).

23423632431 is an equidigital number, since it uses as much as digits as its factorization.

23423632431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8863401.

The product of its digits is 62208, while the sum is 33.

Subtracting from 23423632431 its reverse (13423632432), we obtain a palindrome (9999999999).

The spelling of 23423632431 in words is "twenty-three billion, four hundred twenty-three million, six hundred thirty-two thousand, four hundred thirty-one".