123232040032 has 24 divisors (see below), whose sum is σ = 253161475056. Its totient is φ = 58937062272.

The previous prime is 123232040023. The next prime is 123232040059. The reversal of 123232040032 is 230040232321.

It is a super-2 number, since 2×123232040032² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123232039985 and 123232040012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83716683 + ... + 83718154.

It is an arithmetic number, because the mean of its divisors is an integer number (10548394794).

Almost surely, 2^123232040032 is an apocalyptic number.

It is an amenable number.

123232040032 is an abundant number, since it is smaller than the sum of its proper divisors (129929435024).

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

123232040032 is a wasteful number, since it uses less digits than its factorization.

123232040032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167434870 (or 167434862 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 123232040032 its reverse (230040232321), we get a palindrome (353272272353).

The spelling of 123232040032 in words is "one hundred twenty-three billion, two hundred thirty-two million, forty thousand, thirty-two".