118123953 has 4 divisors (see below), whose sum is σ = 157498608. Its totient is φ = 78749300.

The previous prime is 118123949. The next prime is 118123961. The reversal of 118123953 is 359321811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118123953 - 2² = 118123949 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118123903) 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, 19687323 + ... + 19687328.

It is an arithmetic number, because the mean of its divisors is an integer number (39374652).

Almost surely, 2^118123953 is an apocalyptic number.

It is an amenable number.

118123953 is a deficient number, since it is larger than the sum of its proper divisors (39374655).

118123953 is an equidigital number, since it uses as much as digits as its factorization.

118123953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39374654.

The product of its digits is 6480, while the sum is 33.

The square root of 118123953 is about 10868.4843929593. The cubic root of 118123953 is about 490.6584968705.

The spelling of 118123953 in words is "one hundred eighteen million, one hundred twenty-three thousand, nine hundred fifty-three".