23325344531 has 4 divisors (see below), whose sum is σ = 23334028032. Its totient is φ = 23316661032.

The previous prime is 23325344527. The next prime is 23325344543. The reversal of 23325344531 is 13544352332.

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 23325344531 - 2² = 23325344527 is a prime.

It is a super-2 number, since 2×23325344531² (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 = 23325344491 and 23325344500.

It is not an unprimeable number, because it can be changed into a prime (23325344521) 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, 4337720 + ... + 4343093.

It is an arithmetic number, because the mean of its divisors is an integer number (5833507008).

Almost surely, 2^23325344531 is an apocalyptic number.

23325344531 is a deficient number, since it is larger than the sum of its proper divisors (8683501).

23325344531 is an equidigital number, since it uses as much as digits as its factorization.

23325344531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8683500.

The product of its digits is 129600, while the sum is 35.

Adding to 23325344531 its reverse (13544352332), we get a palindrome (36869696863).

The spelling of 23325344531 in words is "twenty-three billion, three hundred twenty-five million, three hundred forty-four thousand, five hundred thirty-one".