23878361640923 has 2 divisors, whose sum is σ = 23878361640924. Its totient is φ = 23878361640922.

The previous prime is 23878361640899. The next prime is 23878361640961. The reversal of 23878361640923 is 32904616387832.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23878361640923 is a prime.

It is not a weakly prime, because it can be changed into another prime (23878361540923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11939180820461 + 11939180820462.

It is an arithmetic number, because the mean of its divisors is an integer number (11939180820462).

Almost surely, 2^{23878361640923} is an apocalyptic number.

23878361640923 is a deficient number, since it is larger than the sum of its proper divisors (1).

23878361640923 is an equidigital number, since it uses as much as digits as its factorization.

23878361640923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62705664, while the sum is 62.

The spelling of 23878361640923 in words is "twenty-three trillion, eight hundred seventy-eight billion, three hundred sixty-one million, six hundred forty thousand, nine hundred twenty-three".