123032132431245 has 48 divisors (see below), whose sum is σ = 213864996142512. Its totient is φ = 65429722229760.

The previous prime is 123032132431193. The next prime is 123032132431279. The reversal of 123032132431245 is 542134231230321.

123032132431245 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 3 + 213 + 2 + 431 + 2 + 4 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 12401717769 + 123019730713476 = 111363^2 + 11091426^2 .

It is not a de Polignac number, because 123032132431245 - 2¹⁷ = 123032132300173 is a prime.

It is a super-2 number, since 2×123032132431245² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95318785 + ... + 96600905.

It is an arithmetic number, because the mean of its divisors is an integer number (4455520752969).

Almost surely, 2^{123032132431245} is an apocalyptic number.

123032132431245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123032132431245 is a deficient number, since it is larger than the sum of its proper divisors (90832863711267).

123032132431245 is a wasteful number, since it uses less digits than its factorization.

123032132431245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288222 (or 1288219 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 123032132431245 its reverse (542134231230321), we get a palindrome (665166363661566).

The spelling of 123032132431245 in words is "one hundred twenty-three trillion, thirty-two billion, one hundred thirty-two million, four hundred thirty-one thousand, two hundred forty-five".