123313903732 has 12 divisors (see below), whose sum is σ = 215824740516. Its totient is φ = 61649692160.

The previous prime is 123313903723. The next prime is 123313903747. The reversal of 123313903732 is 237309313321.

It can be written as a sum of positive squares in 2 ways, for example, as 83806776036 + 39507127696 = 289494^2 + 198764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123313903691 and 123313903700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1776619 + ... + 1844722.

It is an arithmetic number, because the mean of its divisors is an integer number (17985395043).

Almost surely, 2^123313903732 is an apocalyptic number.

It is an amenable number.

123313903732 is a deficient number, since it is larger than the sum of its proper divisors (92510836784).

123313903732 is a wasteful number, since it uses less digits than its factorization.

123313903732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3629858 (or 3629856 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 37.

The spelling of 123313903732 in words is "one hundred twenty-three billion, three hundred thirteen million, nine hundred three thousand, seven hundred thirty-two".