117823711 has 4 divisors (see below), whose sum is σ = 117939024. Its totient is φ = 117708400.

The previous prime is 117823663. The next prime is 117823751. The reversal of 117823711 is 117328711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117328711 = 433 ⋅270967.

It is a cyclic number.

It is not a de Polignac number, because 117823711 - 2¹⁷ = 117692639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117823751) 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, 56110 + ... + 58171.

It is an arithmetic number, because the mean of its divisors is an integer number (29484756).

Almost surely, 2^117823711 is an apocalyptic number.

117823711 is a deficient number, since it is larger than the sum of its proper divisors (115313).

117823711 is a wasteful number, since it uses less digits than its factorization.

117823711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115312.

The product of its digits is 2352, while the sum is 31.

The square root of 117823711 is about 10854.6630993320. The cubic root of 117823711 is about 490.2424331365.

The spelling of 117823711 in words is "one hundred seventeen million, eight hundred twenty-three thousand, seven hundred eleven".