23231686211 has 2 divisors, whose sum is σ = 23231686212. Its totient is φ = 23231686210.

The previous prime is 23231686157. The next prime is 23231686217. The reversal of 23231686211 is 11268613232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23231686211 - 2³⁰ = 22157944387 is a prime.

It is a super-2 number, since 2×23231686211² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23231686217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615843105 + 11615843106.

It is an arithmetic number, because the mean of its divisors is an integer number (11615843106).

Almost surely, 2^23231686211 is an apocalyptic number.

23231686211 is a deficient number, since it is larger than the sum of its proper divisors (1).

23231686211 is an equidigital number, since it uses as much as digits as its factorization.

23231686211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The spelling of 23231686211 in words is "twenty-three billion, two hundred thirty-one million, six hundred eighty-six thousand, two hundred eleven".