118023837 has 16 divisors (see below), whose sum is σ = 160406400. Its totient is φ = 77169600.

The previous prime is 118023791. The next prime is 118023847. The reversal of 118023837 is 738320811.

It is not a de Polignac number, because 118023837 - 2¹⁴ = 118007453 is a prime.

It is a super-2 number, since 2×118023837² = 27859252200405138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118023798 and 118023807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118023847) 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, 83664 + ... + 85062.

It is an arithmetic number, because the mean of its divisors is an integer number (10025400).

Almost surely, 2^118023837 is an apocalyptic number.

It is an amenable number.

118023837 is a deficient number, since it is larger than the sum of its proper divisors (42382563).

118023837 is a wasteful number, since it uses less digits than its factorization.

118023837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 118023837 is about 10863.8776226539. The cubic root of 118023837 is about 490.5198384263.

The spelling of 118023837 in words is "one hundred eighteen million, twenty-three thousand, eight hundred thirty-seven".