23494864812 has 48 divisors (see below), whose sum is σ = 55196547840. Its totient is φ = 7778132928.

The previous prime is 23494864777. The next prime is 23494864831. The reversal of 23494864812 is 21846849432.

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, 1825833 + ... + 1838655.

It is an arithmetic number, because the mean of its divisors is an integer number (1149928080).

Almost surely, 2^23494864812 is an apocalyptic number.

It is an amenable number.

23494864812 is an abundant number, since it is smaller than the sum of its proper divisors (31701683028).

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

23494864812 is a wasteful number, since it uses less digits than its factorization.

23494864812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13862 (or 13860 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 51.

The spelling of 23494864812 in words is "twenty-three billion, four hundred ninety-four million, eight hundred sixty-four thousand, eight hundred twelve".