123881511076163 has 2 divisors, whose sum is σ = 123881511076164. Its totient is φ = 123881511076162.

The previous prime is 123881511076117. The next prime is 123881511076241. The reversal of 123881511076163 is 361670115188321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123881511076163 - 2³⁸ = 123606633169219 is a prime.

It is not a weakly prime, because it can be changed into another prime (123883511076163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61940755538081 + 61940755538082.

It is an arithmetic number, because the mean of its divisors is an integer number (61940755538082).

Almost surely, 2^{123881511076163} is an apocalyptic number.

123881511076163 is a deficient number, since it is larger than the sum of its proper divisors (1).

123881511076163 is an equidigital number, since it uses as much as digits as its factorization.

123881511076163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 123881511076163 in words is "one hundred twenty-three trillion, eight hundred eighty-one billion, five hundred eleven million, seventy-six thousand, one hundred sixty-three".