123983118 has 24 divisors (see below), whose sum is σ = 307006128. Its totient is φ = 35423712.

The previous prime is 123983117. The next prime is 123983129. The reversal of 123983118 is 811389321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123983117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491871 + ... + 492122.

It is an arithmetic number, because the mean of its divisors is an integer number (12791922).

Almost surely, 2^123983118 is an apocalyptic number.

123983118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

123983118 is an abundant number, since it is smaller than the sum of its proper divisors (183023010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123983118 is a wasteful number, since it uses less digits than its factorization.

123983118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984008 (or 984005 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 123983118 is about 11134.7706756808. The cubic root of 123983118 is about 498.6404640076.

The spelling of 123983118 in words is "one hundred twenty-three million, nine hundred eighty-three thousand, one hundred eighteen".