2312123323211 has 16 divisors (see below), whose sum is σ = 2512650278880. Its totient is φ = 2114844695040.

The previous prime is 2312123323201. The next prime is 2312123323243. The reversal of 2312123323211 is 1123233212132.

It is a cyclic number.

It is not a de Polignac number, because 2312123323211 - 2³⁰ = 2311049581387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312123323201) 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, 5662556 + ... + 6057126.

It is an arithmetic number, because the mean of its divisors is an integer number (157040642430).

Almost surely, 2^{2312123323211} is an apocalyptic number.

2312123323211 is a deficient number, since it is larger than the sum of its proper divisors (200526955669).

2312123323211 is a wasteful number, since it uses less digits than its factorization.

2312123323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398686.

The product of its digits is 2592, while the sum is 26.

Adding to 2312123323211 its reverse (1123233212132), we get a palindrome (3435356535343).

The spelling of 2312123323211 in words is "two trillion, three hundred twelve billion, one hundred twenty-three million, three hundred twenty-three thousand, two hundred eleven".