123918468 has 24 divisors (see below), whose sum is σ = 290921568. Its totient is φ = 41052096.

The previous prime is 123918427. The next prime is 123918469. The reversal of 123918468 is 864819321.

It is a super-2 number, since 2×123918468² = 30711573422934048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123918469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29721 + ... + 33632.

It is an arithmetic number, because the mean of its divisors is an integer number (12121732).

Almost surely, 2^123918468 is an apocalyptic number.

It is an amenable number.

123918468 is an abundant number, since it is smaller than the sum of its proper divisors (167003100).

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

123918468 is a wasteful number, since it uses less digits than its factorization.

123918468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63523 (or 63521 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 123918468 is about 11131.8672288166. The cubic root of 123918468 is about 498.5537782518.

The spelling of 123918468 in words is "one hundred twenty-three million, nine hundred eighteen thousand, four hundred sixty-eight".