117317623 has 2 divisors, whose sum is σ = 117317624. Its totient is φ = 117317622.

The previous prime is 117317611. The next prime is 117317633. The reversal of 117317623 is 326713711.

It is a strong prime.

It is an emirp because it is prime and its reverse (326713711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117317623 - 2⁵ = 117317591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117317633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58658811 + 58658812.

It is an arithmetic number, because the mean of its divisors is an integer number (58658812).

Almost surely, 2^117317623 is an apocalyptic number.

117317623 is a deficient number, since it is larger than the sum of its proper divisors (1).

117317623 is an equidigital number, since it uses as much as digits as its factorization.

117317623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 31.

The square root of 117317623 is about 10831.3260037726. The cubic root of 117317623 is about 489.5395132403.

The spelling of 117317623 in words is "one hundred seventeen million, three hundred seventeen thousand, six hundred twenty-three".