117660623 has 2 divisors, whose sum is σ = 117660624. Its totient is φ = 117660622.

The previous prime is 117660589. The next prime is 117660671. The reversal of 117660623 is 326066711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117660623 - 2¹⁰ = 117659599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117660623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117660523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58830311 + 58830312.

It is an arithmetic number, because the mean of its divisors is an integer number (58830312).

Almost surely, 2^117660623 is an apocalyptic number.

117660623 is a deficient number, since it is larger than the sum of its proper divisors (1).

117660623 is an equidigital number, since it uses as much as digits as its factorization.

117660623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 117660623 is about 10847.1481505509. The cubic root of 117660623 is about 490.0161358007.

The spelling of 117660623 in words is "one hundred seventeen million, six hundred sixty thousand, six hundred twenty-three".