23870940 has 24 divisors (see below), whose sum is σ = 66838800. Its totient is φ = 6365568.

The previous prime is 23870939. The next prime is 23870953. The reversal of 23870940 is 4907832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198865 + ... + 198984.

It is an arithmetic number, because the mean of its divisors is an integer number (2784950).

Almost surely, 2^23870940 is an apocalyptic number.

23870940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23870940 is an abundant number, since it is smaller than the sum of its proper divisors (42967860).

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

23870940 is a wasteful number, since it uses less digits than its factorization.

23870940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397861 (or 397859 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 23870940 is about 4885.7895984170. The cubic root of 23870940 is about 287.9319380059.

The spelling of 23870940 in words is "twenty-three million, eight hundred seventy thousand, nine hundred forty".