23918071873063 has 2 divisors, whose sum is σ = 23918071873064. Its totient is φ = 23918071873062.

The previous prime is 23918071873061. The next prime is 23918071873093. The reversal of 23918071873063 is 36037817081932.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23918071873063 - 2¹ = 23918071873061 is a prime.

Together with 23918071873061, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 23918071872989 and 23918071873007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23918071873061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11959035936531 + 11959035936532.

It is an arithmetic number, because the mean of its divisors is an integer number (11959035936532).

Almost surely, 2^{23918071873063} is an apocalyptic number.

23918071873063 is a deficient number, since it is larger than the sum of its proper divisors (1).

23918071873063 is an equidigital number, since it uses as much as digits as its factorization.

23918071873063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 23918071873063 in words is "twenty-three trillion, nine hundred eighteen billion, seventy-one million, eight hundred seventy-three thousand, sixty-three".