117306823 has 2 divisors, whose sum is σ = 117306824. Its totient is φ = 117306822.

The previous prime is 117306799. The next prime is 117306829. The reversal of 117306823 is 328603711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117306823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117306829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58653411 + 58653412.

It is an arithmetic number, because the mean of its divisors is an integer number (58653412).

Almost surely, 2^117306823 is an apocalyptic number.

117306823 is a deficient number, since it is larger than the sum of its proper divisors (1).

117306823 is an equidigital number, since it uses as much as digits as its factorization.

117306823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 117306823 is about 10830.8274383816. The cubic root of 117306823 is about 489.5244908056.

The spelling of 117306823 in words is "one hundred seventeen million, three hundred six thousand, eight hundred twenty-three".