23990269525 has 24 divisors (see below), whose sum is σ = 32266075464. Its totient is φ = 17622681600.

The previous prime is 23990269519. The next prime is 23990269543. The reversal of 23990269525 is 52596209932.

It can be written as a sum of positive squares in 12 ways, for example, as 3306940036 + 20683329489 = 57506^2 + 143817^2 .

It is not a de Polignac number, because 23990269525 - 2¹³ = 23990261333 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 670962 + ... + 705811.

It is an arithmetic number, because the mean of its divisors is an integer number (1344419811).

Almost surely, 2^23990269525 is an apocalyptic number.

23990269525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23990269525 is a deficient number, since it is larger than the sum of its proper divisors (8275805939).

23990269525 is a wasteful number, since it uses less digits than its factorization.

23990269525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376841 (or 1376836 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 52.

The spelling of 23990269525 in words is "twenty-three billion, nine hundred ninety million, two hundred sixty-nine thousand, five hundred twenty-five".