118023643 has 2 divisors, whose sum is σ = 118023644. Its totient is φ = 118023642.

The previous prime is 118023629. The next prime is 118023667. The reversal of 118023643 is 346320811.

It is a weak prime.

It is an emirp because it is prime and its reverse (346320811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118023643 - 2¹⁷ = 117892571 is a prime.

It is not a weakly prime, because it can be changed into another prime (118023613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59011821 + 59011822.

It is an arithmetic number, because the mean of its divisors is an integer number (59011822).

Almost surely, 2^118023643 is an apocalyptic number.

118023643 is a deficient number, since it is larger than the sum of its proper divisors (1).

118023643 is an equidigital number, since it uses as much as digits as its factorization.

118023643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 118023643 is about 10863.8686939782. The cubic root of 118023643 is about 490.5195696645.

The spelling of 118023643 in words is "one hundred eighteen million, twenty-three thousand, six hundred forty-three".