117923153129 has 2 divisors, whose sum is σ = 117923153130. Its totient is φ = 117923153128.

The previous prime is 117923153119. The next prime is 117923153137. The reversal of 117923153129 is 921351329711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111422440000 + 6500713129 = 333800^2 + 80627^2 .

It is an emirp because it is prime and its reverse (921351329711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117923153129 - 2⁴ = 117923153113 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 117923153129.

It is not a weakly prime, because it can be changed into another prime (117923153119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58961576564 + 58961576565.

It is an arithmetic number, because the mean of its divisors is an integer number (58961576565).

Almost surely, 2^117923153129 is an apocalyptic number.

It is an amenable number.

117923153129 is a deficient number, since it is larger than the sum of its proper divisors (1).

117923153129 is an equidigital number, since it uses as much as digits as its factorization.

117923153129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 44.

The spelling of 117923153129 in words is "one hundred seventeen billion, nine hundred twenty-three million, one hundred fifty-three thousand, one hundred twenty-nine".