123043423132444 has 6 divisors (see below), whose sum is σ = 215325990481784. Its totient is φ = 61521711566220.

The previous prime is 123043423132403. The next prime is 123043423132453. The reversal of 123043423132444 is 444231324340321.

It is a happy number.

It is a super-2 number, since 2×123043423132444² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123043423132397 and 123043423132406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15380427891552 + ... + 15380427891559.

Almost surely, 2^{123043423132444} is an apocalyptic number.

It is an amenable number.

123043423132444 is a deficient number, since it is larger than the sum of its proper divisors (92282567349340).

123043423132444 is a wasteful number, since it uses less digits than its factorization.

123043423132444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30760855783115 (or 30760855783113 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 123043423132444 its reverse (444231324340321), we get a palindrome (567274747472765).

The spelling of 123043423132444 in words is "one hundred twenty-three trillion, forty-three billion, four hundred twenty-three million, one hundred thirty-two thousand, four hundred forty-four".