123124243223403 has 24 divisors (see below), whose sum is σ = 179906827370400. Its totient is φ = 81134450841600.

The previous prime is 123124243223347. The next prime is 123124243223417. The reversal of 123124243223403 is 304322342421321.

123124243223403 is a `hidden beast` number, since 1 + 2 + 3 + 1 + 2 + 4 + 24 + 3 + 223 + 403 = 666.

It is not a de Polignac number, because 123124243223403 - 2¹⁴ = 123124243207019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123124243223473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112519126 + ... + 113608107.

It is an arithmetic number, because the mean of its divisors is an integer number (7496117807100).

Almost surely, 2^{123124243223403} is an apocalyptic number.

123124243223403 is a deficient number, since it is larger than the sum of its proper divisors (56782584146997).

123124243223403 is a wasteful number, since it uses less digits than its factorization.

123124243223403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226127939 (or 226127936 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 123124243223403 its reverse (304322342421321), we get a palindrome (427446585644724).

The spelling of 123124243223403 in words is "one hundred twenty-three trillion, one hundred twenty-four billion, two hundred forty-three million, two hundred twenty-three thousand, four hundred three".