117663723 has 6 divisors (see below), whose sum is σ = 169958724. Its totient is φ = 78442476.

The previous prime is 117663719. The next prime is 117663757. The reversal of 117663723 is 327366711.

117663723 is a `hidden beast` number, since 1 + 17 + 6 + 637 + 2 + 3 = 666.

It is not a de Polignac number, because 117663723 - 2² = 117663719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117663703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6536865 + ... + 6536882.

It is an arithmetic number, because the mean of its divisors is an integer number (28326454).

Almost surely, 2^117663723 is an apocalyptic number.

117663723 is a deficient number, since it is larger than the sum of its proper divisors (52295001).

117663723 is a wasteful number, since it uses less digits than its factorization.

117663723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13073753 (or 13073750 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 117663723 is about 10847.2910443115. The cubic root of 117663723 is about 490.0204392418.

The spelling of 117663723 in words is "one hundred seventeen million, six hundred sixty-three thousand, seven hundred twenty-three".