23157412 has 24 divisors (see below), whose sum is σ = 43436736. Its totient is φ = 10774368.

The previous prime is 23157401. The next prime is 23157419. The reversal of 23157412 is 21475132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23157419) by changing a digit.

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, 3 + ... + 6805.

It is an arithmetic number, because the mean of its divisors is an integer number (1809864).

Almost surely, 2^23157412 is an apocalyptic number.

It is an amenable number.

23157412 is a deficient number, since it is larger than the sum of its proper divisors (20279324).

23157412 is a wasteful number, since it uses less digits than its factorization.

23157412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6867 (or 6865 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 23157412 is about 4812.2148746705. The cubic root of 23157412 is about 285.0340043555.

The spelling of 23157412 in words is "twenty-three million, one hundred fifty-seven thousand, four hundred twelve".