123573632 has 96 divisors (see below), whose sum is σ = 305963280. Its totient is φ = 48411648.

The previous prime is 123573623. The next prime is 123573643. The reversal of 123573632 is 236375321.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1199693 + ... + 1199795.

Almost surely, 2^123573632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123573632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152981640).

123573632 is an abundant number, since it is smaller than the sum of its proper divisors (182389648).

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

123573632 is an equidigital number, since it uses as much as digits as its factorization.

123573632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 125 counting only the distinct ones).

The product of its digits is 22680, while the sum is 32.

The square root of 123573632 is about 11116.3677521032. The cubic root of 123573632 is about 498.0908959207.

The spelling of 123573632 in words is "one hundred twenty-three million, five hundred seventy-three thousand, six hundred thirty-two".