23132113387 has 2 divisors, whose sum is σ = 23132113388. Its totient is φ = 23132113386.

The previous prime is 23132113379. The next prime is 23132113423. The reversal of 23132113387 is 78331123132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23132113387 - 2³ = 23132113379 is a prime.

It is a super-2 number, since 2×23132113387² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23132113687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11566056693 + 11566056694.

It is an arithmetic number, because the mean of its divisors is an integer number (11566056694).

Almost surely, 2^23132113387 is an apocalyptic number.

23132113387 is a deficient number, since it is larger than the sum of its proper divisors (1).

23132113387 is an equidigital number, since it uses as much as digits as its factorization.

23132113387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The spelling of 23132113387 in words is "twenty-three billion, one hundred thirty-two million, one hundred thirteen thousand, three hundred eighty-seven".