23820504 has 16 divisors (see below), whose sum is σ = 59551320. Its totient is φ = 7940160.

The previous prime is 23820497. The next prime is 23820521. The reversal of 23820504 is 40502832.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 992521 = 23820504 / (2 + 3 + 8 + 2 + 0 + 5 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496237 + ... + 496284.

Almost surely, 2^23820504 is an apocalyptic number.

23820504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23820504 is an abundant number, since it is smaller than the sum of its proper divisors (35730816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23820504 is a wasteful number, since it uses less digits than its factorization.

23820504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992530 (or 992526 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 23820504 is about 4880.6253697656. The cubic root of 23820504 is about 287.7290082092.

The spelling of 23820504 in words is "twenty-three million, eight hundred twenty thousand, five hundred four".