23491012 has 12 divisors (see below), whose sum is σ = 41146560. Its totient is φ = 11734856.

The previous prime is 23491009. The next prime is 23491019. The reversal of 23491012 is 21019432.

It is not an unprimeable number, because it can be changed into a prime (23491019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4353 + ... + 8119.

It is an arithmetic number, because the mean of its divisors is an integer number (3428880).

Almost surely, 2^23491012 is an apocalyptic number.

It is an amenable number.

23491012 is a deficient number, since it is larger than the sum of its proper divisors (17655548).

23491012 is a wasteful number, since it uses less digits than its factorization.

23491012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330 (or 5328 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 23491012 is about 4846.7527273423. The cubic root of 23491012 is about 286.3961940185.

The spelling of 23491012 in words is "twenty-three million, four hundred ninety-one thousand, twelve".