118323647 has 4 divisors (see below), whose sum is σ = 127425480. Its totient is φ = 109221816.

The previous prime is 118323641. The next prime is 118323649. The reversal of 118323647 is 746323811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746323811 = 18587 ⋅40153.

It is a cyclic number.

It is not a de Polignac number, because 118323647 - 2⁸ = 118323391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118323641) 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, 4550897 + ... + 4550922.

It is an arithmetic number, because the mean of its divisors is an integer number (31856370).

Almost surely, 2^118323647 is an apocalyptic number.

118323647 is a deficient number, since it is larger than the sum of its proper divisors (9101833).

118323647 is an equidigital number, since it uses as much as digits as its factorization.

118323647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101832.

The product of its digits is 24192, while the sum is 35.

The square root of 118323647 is about 10877.6673510454. The cubic root of 118323647 is about 490.9348348276.

The spelling of 118323647 in words is "one hundred eighteen million, three hundred twenty-three thousand, six hundred forty-seven".