2311122023 has 16 divisors (see below), whose sum is σ = 2699695104. Its totient is φ = 1937221920.

The previous prime is 2311121983. The next prime is 2311122029. The reversal of 2311122023 is 3202211132.

It is a cyclic number.

It is not a de Polignac number, because 2311122023 - 2¹² = 2311117927 is a prime.

It is a super-2 number, since 2×2311122023² = 10682570010391225058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2311121992 and 2311122010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311122029) 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, 572753 + ... + 576773.

It is an arithmetic number, because the mean of its divisors is an integer number (168730944).

Almost surely, 2^2311122023 is an apocalyptic number.

2311122023 is a deficient number, since it is larger than the sum of its proper divisors (388573081).

2311122023 is a wasteful number, since it uses less digits than its factorization.

2311122023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2311122023 is about 48074.1304965571. The cubic root of 2311122023 is about 1322.1304025893.

Adding to 2311122023 its reverse (3202211132), we get a palindrome (5513333155).

The spelling of 2311122023 in words is "two billion, three hundred eleven million, one hundred twenty-two thousand, twenty-three".