23401610431 has 4 divisors (see below), whose sum is σ = 23447586600. Its totient is φ = 23355634264.

The previous prime is 23401610417. The next prime is 23401610461. The reversal of 23401610431 is 13401610432.

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 23401610431 - 2⁵ = 23401610399 is a prime.

It is a super-2 number, since 2×23401610431² (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 = 23401610396 and 23401610405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23401610461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22987321 + ... + 22988338.

It is an arithmetic number, because the mean of its divisors is an integer number (5861896650).

Almost surely, 2^23401610431 is an apocalyptic number.

23401610431 is a deficient number, since it is larger than the sum of its proper divisors (45976169).

23401610431 is an equidigital number, since it uses as much as digits as its factorization.

23401610431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45976168.

The product of its (nonzero) digits is 1728, while the sum is 25.

Subtracting from 23401610431 its reverse (13401610432), we obtain a palindrome (9999999999).

The spelling of 23401610431 in words is "twenty-three billion, four hundred one million, six hundred ten thousand, four hundred thirty-one".