23551230653525 has 12 divisors (see below), whose sum is σ = 29204095534404. Its totient is φ = 18840617088000.

The previous prime is 23551230653501. The next prime is 23551230653597. The reversal of 23551230653525 is 52535603215532.

It can be written as a sum of positive squares in 6 ways, for example, as 909402547876 + 22641828105649 = 953626^2 + 4758343^2 .

It is not a de Polignac number, because 23551230653525 - 2²⁶ = 23551163544661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23551230653525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7874636 + ... + 10445685.

It is an arithmetic number, because the mean of its divisors is an integer number (2433674627867).

Almost surely, 2^{23551230653525} is an apocalyptic number.

23551230653525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23551230653525 is a deficient number, since it is larger than the sum of its proper divisors (5652864880879).

23551230653525 is a wasteful number, since it uses less digits than its factorization.

23551230653525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18371752 (or 18371747 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 47.

The spelling of 23551230653525 in words is "twenty-three trillion, five hundred fifty-one billion, two hundred thirty million, six hundred fifty-three thousand, five hundred twenty-five".