123044132423 has 4 divisors (see below), whose sum is σ = 123350976048. Its totient is φ = 122737288800.

The previous prime is 123044132413. The next prime is 123044132483. The reversal of 123044132423 is 324231440321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123044132423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123044132413) 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, 153421211 + ... + 153422012.

It is an arithmetic number, because the mean of its divisors is an integer number (30837744012).

Almost surely, 2^123044132423 is an apocalyptic number.

123044132423 is a deficient number, since it is larger than the sum of its proper divisors (306843625).

123044132423 is an equidigital number, since it uses as much as digits as its factorization.

123044132423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306843624.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 123044132423 its reverse (324231440321), we get a palindrome (447275572744).

The spelling of 123044132423 in words is "one hundred twenty-three billion, forty-four million, one hundred thirty-two thousand, four hundred twenty-three".