23481859525 has 6 divisors (see below), whose sum is σ = 29117505842. Its totient is φ = 18785487600.

The previous prime is 23481859519. The next prime is 23481859553. The reversal of 23481859525 is 52595818432.

It can be written as a sum of positive squares in 3 ways, for example, as 392753124 + 23089106401 = 19818^2 + 151951^2 .

It is not a de Polignac number, because 23481859525 - 2²⁵ = 23448305093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 469637166 + ... + 469637215.

Almost surely, 2^23481859525 is an apocalyptic number.

23481859525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23481859525 is a deficient number, since it is larger than the sum of its proper divisors (5635646317).

23481859525 is an equidigital number, since it uses as much as digits as its factorization.

23481859525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939274391 (or 939274386 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 52.

The spelling of 23481859525 in words is "twenty-three billion, four hundred eighty-one million, eight hundred fifty-nine thousand, five hundred twenty-five".