23240704720 has 40 divisors (see below), whose sum is σ = 54290766240. Its totient is φ = 9252216960.

The previous prime is 23240704679. The next prime is 23240704733. The reversal of 23240704720 is 2740704232.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671530 + ... + 705289.

It is an arithmetic number, because the mean of its divisors is an integer number (1357269156).

Almost surely, 2^23240704720 is an apocalyptic number.

23240704720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23240704720 is an abundant number, since it is smaller than the sum of its proper divisors (31050061520).

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

23240704720 is a wasteful number, since it uses less digits than its factorization.

23240704720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377043 (or 1377037 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The spelling of 23240704720 in words is "twenty-three billion, two hundred forty million, seven hundred four thousand, seven hundred twenty".