23990475 has 24 divisors (see below), whose sum is σ = 39908160. Its totient is φ = 12716320.

The previous prime is 23990459. The next prime is 23990509. The reversal of 23990475 is 57409932.

It is not a de Polignac number, because 23990475 - 2⁴ = 23990459 is a prime.

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, 12532 + ... + 14318.

It is an arithmetic number, because the mean of its divisors is an integer number (1662840).

Almost surely, 2^23990475 is an apocalyptic number.

23990475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23990475 is a deficient number, since it is larger than the sum of its proper divisors (15917685).

23990475 is a wasteful number, since it uses less digits than its factorization.

23990475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 23990475 is about 4898.0072478509. The cubic root of 23990475 is about 288.4117494923.

The spelling of 23990475 in words is "twenty-three million, nine hundred ninety thousand, four hundred seventy-five".