2311220230123 has 16 divisors (see below), whose sum is σ = 2650886202816. Its totient is φ = 1973935687680.

The previous prime is 2311220230087. The next prime is 2311220230201. The reversal of 2311220230123 is 3210320221132.

It is a cyclic number.

It is not a de Polignac number, because 2311220230123 - 2²⁹ = 2310683359211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2311220230094 and 2311220230103.

It is not an unprimeable number, because it can be changed into a prime (2311220230223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2910165 + ... + 3618217.

It is an arithmetic number, because the mean of its divisors is an integer number (165680387676).

Almost surely, 2^{2311220230123} is an apocalyptic number.

2311220230123 is a deficient number, since it is larger than the sum of its proper divisors (339665972693).

2311220230123 is a wasteful number, since it uses less digits than its factorization.

2311220230123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709734.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2311220230123 its reverse (3210320221132), we get a palindrome (5521540451255).

The spelling of 2311220230123 in words is "two trillion, three hundred eleven billion, two hundred twenty million, two hundred thirty thousand, one hundred twenty-three".