117042923 has 2 divisors, whose sum is σ = 117042924. Its totient is φ = 117042922.

The previous prime is 117042899. The next prime is 117042953. The reversal of 117042923 is 329240711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117042923 - 2⁶ = 117042859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (117042953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58521461 + 58521462.

It is an arithmetic number, because the mean of its divisors is an integer number (58521462).

Almost surely, 2^117042923 is an apocalyptic number.

117042923 is a deficient number, since it is larger than the sum of its proper divisors (1).

117042923 is an equidigital number, since it uses as much as digits as its factorization.

117042923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 117042923 is about 10818.6377608274. The cubic root of 117042923 is about 489.1571279493.

The spelling of 117042923 in words is "one hundred seventeen million, forty-two thousand, nine hundred twenty-three".