123252874506 has 40 divisors (see below), whose sum is σ = 277486713504. Its totient is φ = 40889567880.

The previous prime is 123252874501. The next prime is 123252874519. The reversal of 123252874506 is 605478252321.

123252874506 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 528 + 74 + 50 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (123252874501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1768710 + ... + 1837073.

Almost surely, 2^123252874506 is an apocalyptic number.

123252874506 is an abundant number, since it is smaller than the sum of its proper divisors (154233838998).

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

123252874506 is a wasteful number, since it uses less digits than its factorization.

123252874506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606008 (or 3605999 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 123252874506 in words is "one hundred twenty-three billion, two hundred fifty-two million, eight hundred seventy-four thousand, five hundred six".