117700823 has 2 divisors, whose sum is σ = 117700824. Its totient is φ = 117700822.

The previous prime is 117700789. The next prime is 117700829. The reversal of 117700823 is 328007711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117700823 - 2⁸ = 117700567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117700829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58850411 + 58850412.

It is an arithmetic number, because the mean of its divisors is an integer number (58850412).

Almost surely, 2^117700823 is an apocalyptic number.

117700823 is a deficient number, since it is larger than the sum of its proper divisors (1).

117700823 is an equidigital number, since it uses as much as digits as its factorization.

117700823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 117700823 is about 10849.0010139183. The cubic root of 117700823 is about 490.0719358500.

The spelling of 117700823 in words is "one hundred seventeen million, seven hundred thousand, eight hundred twenty-three".