123768402 has 16 divisors (see below), whose sum is σ = 248795712. Its totient is φ = 41046320.

The previous prime is 123768397. The next prime is 123768419. The reversal of 123768402 is 204867321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51174 + ... + 53537.

It is an arithmetic number, because the mean of its divisors is an integer number (15549732).

Almost surely, 2^123768402 is an apocalyptic number.

123768402 is an abundant number, since it is smaller than the sum of its proper divisors (125027310).

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

123768402 is a wasteful number, since it uses less digits than its factorization.

123768402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104913.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 123768402 is about 11125.1248082887. The cubic root of 123768402 is about 498.3524464307.

The spelling of 123768402 in words is "one hundred twenty-three million, seven hundred sixty-eight thousand, four hundred two".