118959823 has 2 divisors, whose sum is σ = 118959824. Its totient is φ = 118959822.

The previous prime is 118959811. The next prime is 118959853. The reversal of 118959823 is 328959811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118959823 - 2²¹ = 116862671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118959853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59479911 + 59479912.

It is an arithmetic number, because the mean of its divisors is an integer number (59479912).

Almost surely, 2^118959823 is an apocalyptic number.

118959823 is a deficient number, since it is larger than the sum of its proper divisors (1).

118959823 is an equidigital number, since it uses as much as digits as its factorization.

118959823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 46.

The square root of 118959823 is about 10906.8704494002. The cubic root of 118959823 is about 491.8131120339.

The spelling of 118959823 in words is "one hundred eighteen million, nine hundred fifty-nine thousand, eight hundred twenty-three".