23996645680 has 40 divisors (see below), whose sum is σ = 63762517152. Its totient is φ = 8227421184.

The previous prime is 23996645639. The next prime is 23996645713. The reversal of 23996645680 is 8654669932.

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

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, 21425017 + ... + 21426136.

Almost surely, 2^23996645680 is an apocalyptic number.

23996645680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23996645680 is an abundant number, since it is smaller than the sum of its proper divisors (39765871472).

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

23996645680 is a wasteful number, since it uses less digits than its factorization.

23996645680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42851173 (or 42851167 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 23996645680 in words is "twenty-three billion, nine hundred ninety-six million, six hundred forty-five thousand, six hundred eighty".