117407923 has 4 divisors (see below), whose sum is σ = 117449928. Its totient is φ = 117365920.

The previous prime is 117407911. The next prime is 117407929. The reversal of 117407923 is 329704711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117407923 - 2¹³ = 117399731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117407929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16486 + ... + 22507.

It is an arithmetic number, because the mean of its divisors is an integer number (29362482).

Almost surely, 2^117407923 is an apocalyptic number.

117407923 is a deficient number, since it is larger than the sum of its proper divisors (42005).

117407923 is an equidigital number, since it uses as much as digits as its factorization.

117407923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42004.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 117407923 is about 10835.4936666494. The cubic root of 117407923 is about 489.6650814202.

The spelling of 117407923 in words is "one hundred seventeen million, four hundred seven thousand, nine hundred twenty-three".