118233881 has 2 divisors, whose sum is σ = 118233882. Its totient is φ = 118233880.

The previous prime is 118233851. The next prime is 118233887. The reversal of 118233881 is 188332811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67240000 + 50993881 = 8200^2 + 7141^2 .

It is a cyclic number.

It is not a de Polignac number, because 118233881 - 2¹⁴ = 118217497 is a prime.

It is a super-2 number, since 2×118233881² = 27958501232644322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118233887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59116940 + 59116941.

It is an arithmetic number, because the mean of its divisors is an integer number (59116941).

Almost surely, 2^118233881 is an apocalyptic number.

It is an amenable number.

118233881 is a deficient number, since it is larger than the sum of its proper divisors (1).

118233881 is an equidigital number, since it uses as much as digits as its factorization.

118233881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 35.

The square root of 118233881 is about 10873.5404077973. The cubic root of 118233881 is about 490.8106545065.

The spelling of 118233881 in words is "one hundred eighteen million, two hundred thirty-three thousand, eight hundred eighty-one".