118837823 has 16 divisors (see below), whose sum is σ = 130343136. Its totient is φ = 107688960.

The previous prime is 118837801. The next prime is 118837843. The reversal of 118837823 is 328738811.

It is a cyclic number.

It is not a de Polignac number, because 118837823 - 2⁶ = 118837759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118837843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259811 + ... + 260267.

It is an arithmetic number, because the mean of its divisors is an integer number (8146446).

Almost surely, 2^118837823 is an apocalyptic number.

118837823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

118837823 is a deficient number, since it is larger than the sum of its proper divisors (11505313).

118837823 is a wasteful number, since it uses less digits than its factorization.

118837823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794.

The product of its digits is 64512, while the sum is 41.

The square root of 118837823 is about 10901.2762096921. The cubic root of 118837823 is about 491.6449271757.

The spelling of 118837823 in words is "one hundred eighteen million, eight hundred thirty-seven thousand, eight hundred twenty-three".