23993928113 has 2 divisors, whose sum is σ = 23993928114. Its totient is φ = 23993928112.

The previous prime is 23993928109. The next prime is 23993928139. The reversal of 23993928113 is 31182939932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12229705744 + 11764222369 = 110588^2 + 108463^2 .

It is a cyclic number.

It is not a de Polignac number, because 23993928113 - 2² = 23993928109 is a prime.

It is not a weakly prime, because it can be changed into another prime (23993928143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11996964056 + 11996964057.

It is an arithmetic number, because the mean of its divisors is an integer number (11996964057).

Almost surely, 2^23993928113 is an apocalyptic number.

It is an amenable number.

23993928113 is a deficient number, since it is larger than the sum of its proper divisors (1).

23993928113 is an equidigital number, since it uses as much as digits as its factorization.

23993928113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 50.

The spelling of 23993928113 in words is "twenty-three billion, nine hundred ninety-three million, nine hundred twenty-eight thousand, one hundred thirteen".