118312043 has 2 divisors, whose sum is σ = 118312044. Its totient is φ = 118312042.

The previous prime is 118312039. The next prime is 118312063. The reversal of 118312043 is 340213811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118312043 - 2² = 118312039 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118312003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59156021 + 59156022.

It is an arithmetic number, because the mean of its divisors is an integer number (59156022).

Almost surely, 2^118312043 is an apocalyptic number.

118312043 is a deficient number, since it is larger than the sum of its proper divisors (1).

118312043 is an equidigital number, since it uses as much as digits as its factorization.

118312043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 118312043 is about 10877.1339515518. The cubic root of 118312043 is about 490.9187856432.

Adding to 118312043 its reverse (340213811), we get a palindrome (458525854).

The spelling of 118312043 in words is "one hundred eighteen million, three hundred twelve thousand, forty-three".