23523204325 has 12 divisors (see below), whose sum is σ = 29188514628. Its totient is φ = 18805827200.

The previous prime is 23523204319. The next prime is 23523204329. The reversal of 23523204325 is 52340232532.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5558895364 + 17964308961 = 74558^2 + 134031^2 .

It is not a de Polignac number, because 23523204325 - 2⁵ = 23523204293 is a prime.

It is a super-2 number, since 2×23523204325² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23523204329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280642 + ... + 354691.

It is an arithmetic number, because the mean of its divisors is an integer number (2432376219).

Almost surely, 2^23523204325 is an apocalyptic number.

23523204325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23523204325 is a deficient number, since it is larger than the sum of its proper divisors (5665310303).

23523204325 is a wasteful number, since it uses less digits than its factorization.

23523204325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636824 (or 636819 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 23523204325 its reverse (52340232532), we get a palindrome (75863436857).

The spelling of 23523204325 in words is "twenty-three billion, five hundred twenty-three million, two hundred four thousand, three hundred twenty-five".