118323641 has 2 divisors, whose sum is σ = 118323642. Its totient is φ = 118323640.

The previous prime is 118323589. The next prime is 118323649. The reversal of 118323641 is 146323811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76125625 + 42198016 = 8725^2 + 6496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118323641 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118323649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59161820 + 59161821.

It is an arithmetic number, because the mean of its divisors is an integer number (59161821).

Almost surely, 2^118323641 is an apocalyptic number.

It is an amenable number.

118323641 is a deficient number, since it is larger than the sum of its proper divisors (1).

118323641 is an equidigital number, since it uses as much as digits as its factorization.

118323641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 118323641 is about 10877.6670752510. The cubic root of 118323641 is about 490.9348265294.

The spelling of 118323641 in words is "one hundred eighteen million, three hundred twenty-three thousand, six hundred forty-one".