23957340 has 48 divisors (see below), whose sum is σ = 73180800. Its totient is φ = 5807680.

The previous prime is 23957299. The next prime is 23957371. The reversal of 23957340 is 4375932.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 17490 + ... + 18809.

It is an arithmetic number, because the mean of its divisors is an integer number (1524600).

Almost surely, 2^23957340 is an apocalyptic number.

23957340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23957340 is an abundant number, since it is smaller than the sum of its proper divisors (49223460).

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

23957340 is a wasteful number, since it uses less digits than its factorization.

23957340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36322 (or 36320 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 23957340 is about 4894.6235810326. The cubic root of 23957340 is about 288.2789061251.

The spelling of 23957340 in words is "twenty-three million, nine hundred fifty-seven thousand, three hundred forty".