117391223 has 2 divisors, whose sum is σ = 117391224. Its totient is φ = 117391222.

The previous prime is 117391207. The next prime is 117391229. The reversal of 117391223 is 322193711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117391223 - 2⁴ = 117391207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117391229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58695611 + 58695612.

It is an arithmetic number, because the mean of its divisors is an integer number (58695612).

Almost surely, 2^117391223 is an apocalyptic number.

117391223 is a deficient number, since it is larger than the sum of its proper divisors (1).

117391223 is an equidigital number, since it uses as much as digits as its factorization.

117391223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 29.

The square root of 117391223 is about 10834.7230236864. The cubic root of 117391223 is about 489.6418638088.

The spelling of 117391223 in words is "one hundred seventeen million, three hundred ninety-one thousand, two hundred twenty-three".