2311223100123 has 64 divisors (see below), whose sum is σ = 3591356424192. Its totient is φ = 1294926528000.

The previous prime is 2311223100061. The next prime is 2311223100157. The reversal of 2311223100123 is 3210013221132.

2311223100123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2311223100123 - 2¹⁴ = 2311223083739 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2311223100123.

It is not an unprimeable number, because it can be changed into a prime (2311223100163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 188649748 + ... + 188661998.

It is an arithmetic number, because the mean of its divisors is an integer number (56114944128).

Almost surely, 2^{2311223100123} is an apocalyptic number.

2311223100123 is a deficient number, since it is larger than the sum of its proper divisors (1280133324069).

2311223100123 is a wasteful number, since it uses less digits than its factorization.

2311223100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13224.

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

Adding to 2311223100123 its reverse (3210013221132), we get a palindrome (5521236321255).

The spelling of 2311223100123 in words is "two trillion, three hundred eleven billion, two hundred twenty-three million, one hundred thousand, one hundred twenty-three".