117736138123 has 2 divisors, whose sum is σ = 117736138124. Its totient is φ = 117736138122.

The previous prime is 117736138067. The next prime is 117736138147. The reversal of 117736138123 is 321831637711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117736138123 - 2³³ = 109146203531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117736138123.

It is not a weakly prime, because it can be changed into another prime (117736138423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58868069061 + 58868069062.

It is an arithmetic number, because the mean of its divisors is an integer number (58868069062).

Almost surely, 2^117736138123 is an apocalyptic number.

117736138123 is a deficient number, since it is larger than the sum of its proper divisors (1).

117736138123 is an equidigital number, since it uses as much as digits as its factorization.

117736138123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 43.

The spelling of 117736138123 in words is "one hundred seventeen billion, seven hundred thirty-six million, one hundred thirty-eight thousand, one hundred twenty-three".