123477572 has 12 divisors (see below), whose sum is σ = 218106000. Its totient is φ = 61161576.

The previous prime is 123477569. The next prime is 123477581. The reversal of 123477572 is 275774321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143822 + ... + 144677.

It is an arithmetic number, because the mean of its divisors is an integer number (18175500).

Almost surely, 2^123477572 is an apocalyptic number.

It is an amenable number.

123477572 is a deficient number, since it is larger than the sum of its proper divisors (94628428).

123477572 is a wasteful number, since it uses less digits than its factorization.

123477572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288610 (or 288608 counting only the distinct ones).

The product of its digits is 82320, while the sum is 38.

The square root of 123477572 is about 11112.0462562032. The cubic root of 123477572 is about 497.9617987611.

The spelling of 123477572 in words is "one hundred twenty-three million, four hundred seventy-seven thousand, five hundred seventy-two".