113220132123 has 24 divisors (see below), whose sum is σ = 178680256768. Its totient is φ = 62466270048.

The previous prime is 113220132119. The next prime is 113220132133. The reversal of 113220132123 is 321231022311.

It is not a de Polignac number, because 113220132123 - 2² = 113220132119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113220132123.

It is not an unprimeable number, because it can be changed into a prime (113220132133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3187711 + ... + 3223032.

Almost surely, 2^113220132123 is an apocalyptic number.

113220132123 is a deficient number, since it is larger than the sum of its proper divisors (65460124645).

113220132123 is an equidigital number, since it uses as much as digits as its factorization.

113220132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410811 (or 6410782 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 113220132123 its reverse (321231022311), we get a palindrome (434451154434).

The spelling of 113220132123 in words is "one hundred thirteen billion, two hundred twenty million, one hundred thirty-two thousand, one hundred twenty-three".