123321023431163 has 2 divisors, whose sum is σ = 123321023431164. Its totient is φ = 123321023431162.

The previous prime is 123321023431159. The next prime is 123321023431213. The reversal of 123321023431163 is 361134320123321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123321023431163 - 2² = 123321023431159 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (123321023631163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61660511715581 + 61660511715582.

It is an arithmetic number, because the mean of its divisors is an integer number (61660511715582).

Almost surely, 2^{123321023431163} is an apocalyptic number.

123321023431163 is a deficient number, since it is larger than the sum of its proper divisors (1).

123321023431163 is an equidigital number, since it uses as much as digits as its factorization.

123321023431163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 123321023431163 its reverse (361134320123321), we get a palindrome (484455343554484).

The spelling of 123321023431163 in words is "one hundred twenty-three trillion, three hundred twenty-one billion, twenty-three million, four hundred thirty-one thousand, one hundred sixty-three".