117155023 has 2 divisors, whose sum is σ = 117155024. Its totient is φ = 117155022.

The previous prime is 117155021. The next prime is 117155047. The reversal of 117155023 is 320551711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117155023 - 2¹ = 117155021 is a prime.

Together with 117155021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117155021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58577511 + 58577512.

It is an arithmetic number, because the mean of its divisors is an integer number (58577512).

Almost surely, 2^117155023 is an apocalyptic number.

117155023 is a deficient number, since it is larger than the sum of its proper divisors (1).

117155023 is an equidigital number, since it uses as much as digits as its factorization.

117155023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 117155023 is about 10823.8173949859. The cubic root of 117155023 is about 489.3132445137.

The spelling of 117155023 in words is "one hundred seventeen million, one hundred fifty-five thousand, twenty-three".