123668450 has 24 divisors (see below), whose sum is σ = 230342400. Its totient is φ = 49398800.

The previous prime is 123668449. The next prime is 123668471. The reversal of 123668450 is 54866321.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 123668450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50351 + ... + 52749.

It is an arithmetic number, because the mean of its divisors is an integer number (9597600).

Almost surely, 2^123668450 is an apocalyptic number.

123668450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123668450 is a deficient number, since it is larger than the sum of its proper divisors (106673950).

123668450 is a wasteful number, since it uses less digits than its factorization.

123668450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442 (or 3437 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 123668450 is about 11120.6317266601. The cubic root of 123668450 is about 498.2182583350.

The spelling of 123668450 in words is "one hundred twenty-three million, six hundred sixty-eight thousand, four hundred fifty".