23157382 has 12 divisors (see below), whose sum is σ = 35404740. Its totient is φ = 11356748.

The previous prime is 23157373. The next prime is 23157397. The reversal of 23157382 is 28375132.

Its product of digits (10080) is a multiple of the sum of its prime divisors (504).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 52053 + ... + 52495.

It is an arithmetic number, because the mean of its divisors is an integer number (2950395).

Almost surely, 2^23157382 is an apocalyptic number.

23157382 is a deficient number, since it is larger than the sum of its proper divisors (12247358).

23157382 is an frugal number, since it uses more digits than its factorization.

23157382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 504 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 23157382 is about 4812.2117576017. The cubic root of 23157382 is about 285.0338812700.

The spelling of 23157382 in words is "twenty-three million, one hundred fifty-seven thousand, three hundred eighty-two".