117204647123 has 2 divisors, whose sum is σ = 117204647124. Its totient is φ = 117204647122.

The previous prime is 117204647093. The next prime is 117204647149. The reversal of 117204647123 is 321746402711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117204647123 is a prime.

It is not a weakly prime, because it can be changed into another prime (117204647423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58602323561 + 58602323562.

It is an arithmetic number, because the mean of its divisors is an integer number (58602323562).

Almost surely, 2^117204647123 is an apocalyptic number.

117204647123 is a deficient number, since it is larger than the sum of its proper divisors (1).

117204647123 is an equidigital number, since it uses as much as digits as its factorization.

117204647123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 117204647123 in words is "one hundred seventeen billion, two hundred four million, six hundred forty-seven thousand, one hundred twenty-three".