123012321544232 has 16 divisors (see below), whose sum is σ = 230663208770100. Its totient is φ = 61502132538880.

The previous prime is 123012321544219. The next prime is 123012321544237. The reversal of 123012321544232 is 232445123210321.

It can be written as a sum of positive squares in 2 ways, for example, as 108455853237796 + 14556468306436 = 10414214^2 + 3815294^2 .

It is a super-2 number, since 2×123012321544232² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123012321544192 and 123012321544201.

It is not an unprimeable number, because it can be changed into a prime (123012321544237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503399369 + ... + 503643672.

Almost surely, 2^{123012321544232} is an apocalyptic number.

It is an amenable number.

123012321544232 is a deficient number, since it is larger than the sum of its proper divisors (107650887225868).

123012321544232 is a wasteful number, since it uses less digits than its factorization.

123012321544232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007058316 (or 1007058312 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 123012321544232 its reverse (232445123210321), we get a palindrome (355457444754553).

The spelling of 123012321544232 in words is "one hundred twenty-three trillion, twelve billion, three hundred twenty-one million, five hundred forty-four thousand, two hundred thirty-two".