23505340525 has 24 divisors (see below), whose sum is σ = 29370557664. Its totient is φ = 18660360000.

The previous prime is 23505340517. The next prime is 23505340531. The reversal of 23505340525 is 52504350532.

It is not a de Polignac number, because 23505340525 - 2³ = 23505340517 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 23 ways as a sum of consecutive naturals, for example, 1731414 + ... + 1744936.

It is an arithmetic number, because the mean of its divisors is an integer number (1223773236).

Almost surely, 2^23505340525 is an apocalyptic number.

23505340525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23505340525 is a deficient number, since it is larger than the sum of its proper divisors (5865217139).

23505340525 is a wasteful number, since it uses less digits than its factorization.

23505340525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14061 (or 14056 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

The spelling of 23505340525 in words is "twenty-three billion, five hundred five million, three hundred forty thousand, five hundred twenty-five".