90123238925 has 12 divisors (see below), whose sum is σ = 111830520960. Its totient is φ = 72048459120.

The previous prime is 90123238913. The next prime is 90123238943. The reversal of 90123238925 is 52983232109.

It is not a de Polignac number, because 90123238925 - 2¹⁰ = 90123237901 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

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, 1216607 + ... + 1288556.

It is an arithmetic number, because the mean of its divisors is an integer number (9319210080).

Almost surely, 2^90123238925 is an apocalyptic number.

It is an amenable number.

90123238925 is a deficient number, since it is larger than the sum of its proper divisors (21707282035).

90123238925 is a wasteful number, since it uses less digits than its factorization.

90123238925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506612 (or 2506607 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 90123238925 in words is "ninety billion, one hundred twenty-three million, two hundred thirty-eight thousand, nine hundred twenty-five".