23870320 has 40 divisors (see below), whose sum is σ = 57915936. Its totient is φ = 9132288.

The previous prime is 23870317. The next prime is 23870333. The reversal of 23870320 is 2307832.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4647 + ... + 8326.

Almost surely, 2^23870320 is an apocalyptic number.

23870320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23870320 is an abundant number, since it is smaller than the sum of its proper divisors (34045616).

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

23870320 is a wasteful number, since it uses less digits than its factorization.

23870320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13009 (or 13003 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 23870320 is about 4885.7261486907. The cubic root of 23870320 is about 287.9294451653.

The spelling of 23870320 in words is "twenty-three million, eight hundred seventy thousand, three hundred twenty".