23508181831423 has 2 divisors, whose sum is σ = 23508181831424. Its totient is φ = 23508181831422.

The previous prime is 23508181831417. The next prime is 23508181831427. The reversal of 23508181831423 is 32413818180532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23508181831423 is a prime.

It is a super-2 number, since 2×23508181831423² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23508181831427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11754090915711 + 11754090915712.

It is an arithmetic number, because the mean of its divisors is an integer number (11754090915712).

Almost surely, 2^{23508181831423} is an apocalyptic number.

23508181831423 is a deficient number, since it is larger than the sum of its proper divisors (1).

23508181831423 is an equidigital number, since it uses as much as digits as its factorization.

23508181831423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 23508181831423 in words is "twenty-three trillion, five hundred eight billion, one hundred eighty-one million, eight hundred thirty-one thousand, four hundred twenty-three".