123818368 has 32 divisors (see below), whose sum is σ = 247174560. Its totient is φ = 61782528.

The previous prime is 123818363. The next prime is 123818369. The reversal of 123818368 is 863818321.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 123818368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123818363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111705 + ... + 112807.

It is an arithmetic number, because the mean of its divisors is an integer number (7724205).

Almost surely, 2^123818368 is an apocalyptic number.

It is an amenable number.

123818368 is a deficient number, since it is larger than the sum of its proper divisors (123356192).

123818368 is an equidigital number, since it uses as much as digits as its factorization.

123818368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994 (or 1982 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 123818368 is about 11127.3702194184. The cubic root of 123818368 is about 498.4194999701.

The spelling of 123818368 in words is "one hundred twenty-three million, eight hundred eighteen thousand, three hundred sixty-eight".