123443223422032 has 20 divisors (see below), whose sum is σ = 239311193499540. Its totient is φ = 61685496067328.

The previous prime is 123443223422027. The next prime is 123443223422063. The reversal of 123443223422032 is 230224322344321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26274809802816 + 97168413619216 = 5125896^2 + 9857404^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123443223421982 and 123443223422000.

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, 2257199533 + ... + 2257254220.

It is an arithmetic number, because the mean of its divisors is an integer number (11965559674977).

Almost surely, 2^{123443223422032} is an apocalyptic number.

It is an amenable number.

123443223422032 is a deficient number, since it is larger than the sum of its proper divisors (115867970077508).

123443223422032 is a wasteful number, since it uses less digits than its factorization.

123443223422032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514455470 (or 4514455464 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 37.

Adding to 123443223422032 its reverse (230224322344321), we get a palindrome (353667545766353).

The spelling of 123443223422032 in words is "one hundred twenty-three trillion, four hundred forty-three billion, two hundred twenty-three million, four hundred twenty-two thousand, thirty-two".