123451418223108 has 24 divisors (see below), whose sum is σ = 320059232430560. Its totient is φ = 41150472741000.

The previous prime is 123451418223103. The next prime is 123451418223139. The reversal of 123451418223108 is 801322814154321.

It is a happy number.

123451418223108 is a `hidden beast` number, since 1 + 2 + 3 + 4 + 5 + 1 + 418 + 223 + 1 + 0 + 8 = 666.

It is a super-2 number, since 2×123451418223108² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123451418223103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571534343518 + ... + 571534343733.

Almost surely, 2^{123451418223108} is an apocalyptic number.

123451418223108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

123451418223108 is an abundant number, since it is smaller than the sum of its proper divisors (196607814207452).

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

123451418223108 is a wasteful number, since it uses less digits than its factorization.

123451418223108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143068687264 (or 1143068687256 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 123451418223108 in words is "one hundred twenty-three trillion, four hundred fifty-one billion, four hundred eighteen million, two hundred twenty-three thousand, one hundred eight".