23149320 has 64 divisors (see below), whose sum is σ = 69768000. Its totient is φ = 6144768.

The previous prime is 23149319. The next prime is 23149363. The reversal of 23149320 is 2394132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45226 + ... + 45734.

It is an arithmetic number, because the mean of its divisors is an integer number (1090125).

Almost surely, 2^23149320 is an apocalyptic number.

23149320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23149320 is an abundant number, since it is smaller than the sum of its proper divisors (46618680).

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

23149320 is a wasteful number, since it uses less digits than its factorization.

23149320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 23149320 is about 4811.3740241224. The cubic root of 23149320 is about 285.0008002440. Note that the first 3 decimals are identical.

The spelling of 23149320 in words is "twenty-three million, one hundred forty-nine thousand, three hundred twenty".