117266923 has 4 divisors (see below), whose sum is σ = 121310640. Its totient is φ = 113223208.

The previous prime is 117266921. The next prime is 117266957. The reversal of 117266923 is 329662711.

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 117266923 - 2¹ = 117266921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117266921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2021815 + ... + 2021872.

It is an arithmetic number, because the mean of its divisors is an integer number (30327660).

Almost surely, 2^117266923 is an apocalyptic number.

117266923 is a deficient number, since it is larger than the sum of its proper divisors (4043717).

117266923 is an equidigital number, since it uses as much as digits as its factorization.

117266923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043716.

The product of its digits is 27216, while the sum is 37.

The square root of 117266923 is about 10828.9853171939. The cubic root of 117266923 is about 489.4689832583.

The spelling of 117266923 in words is "one hundred seventeen million, two hundred sixty-six thousand, nine hundred twenty-three".