23515210325 has 36 divisors (see below), whose sum is σ = 30189942720. Its totient is φ = 18168373440.

The previous prime is 23515210291. The next prime is 23515210379. The reversal of 23515210325 is 52301251532.

It is not a de Polignac number, because 23515210325 - 2¹² = 23515206229 is a prime.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 4754804 + ... + 4759746.

It is an arithmetic number, because the mean of its divisors is an integer number (838609520).

Almost surely, 2^23515210325 is an apocalyptic number.

23515210325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23515210325 is a deficient number, since it is larger than the sum of its proper divisors (6674732395).

23515210325 is a wasteful number, since it uses less digits than its factorization.

23515210325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166 (or 5124 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 23515210325 its reverse (52301251532), we get a palindrome (75816461857).

The spelling of 23515210325 in words is "twenty-three billion, five hundred fifteen million, two hundred ten thousand, three hundred twenty-five".