23748940 has 24 divisors (see below), whose sum is σ = 50141952. Its totient is φ = 9448320.

The previous prime is 23748913. The next prime is 23748973. The reversal of 23748940 is 4984732.

It is a happy number.

It is a super-2 number, since 2×23748940² = 1128024302247200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23748940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712 + ... + 6928.

It is an arithmetic number, because the mean of its divisors is an integer number (2089248).

Almost surely, 2^23748940 is an apocalyptic number.

23748940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23748940 is an abundant number, since it is smaller than the sum of its proper divisors (26393012).

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

23748940 is a wasteful number, since it uses less digits than its factorization.

23748940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417 (or 6415 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 23748940 is about 4873.2884174857. The cubic root of 23748940 is about 287.4405775111.

The spelling of 23748940 in words is "twenty-three million, seven hundred forty-eight thousand, nine hundred forty".