123416747731 has 2 divisors, whose sum is σ = 123416747732. Its totient is φ = 123416747730.

The previous prime is 123416747683. The next prime is 123416747761. The reversal of 123416747731 is 137747614321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123416747731 - 2⁹ = 123416747219 is a prime.

It is a super-2 number, since 2×123416747731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123416747761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61708373865 + 61708373866.

It is an arithmetic number, because the mean of its divisors is an integer number (61708373866).

Almost surely, 2^123416747731 is an apocalyptic number.

123416747731 is a deficient number, since it is larger than the sum of its proper divisors (1).

123416747731 is an equidigital number, since it uses as much as digits as its factorization.

123416747731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 46.

The spelling of 123416747731 in words is "one hundred twenty-three billion, four hundred sixteen million, seven hundred forty-seven thousand, seven hundred thirty-one".