23505718063 has 2 divisors, whose sum is σ = 23505718064. Its totient is φ = 23505718062.

The previous prime is 23505717959. The next prime is 23505718073. The reversal of 23505718063 is 36081750532.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23505718063 is a prime.

It is a super-3 number, since 3×23505718063³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23505718073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11752859031 + 11752859032.

It is an arithmetic number, because the mean of its divisors is an integer number (11752859032).

Almost surely, 2^23505718063 is an apocalyptic number.

23505718063 is a deficient number, since it is larger than the sum of its proper divisors (1).

23505718063 is an equidigital number, since it uses as much as digits as its factorization.

23505718063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 23505718063 in words is "twenty-three billion, five hundred five million, seven hundred eighteen thousand, sixty-three".