2312220023 has 4 divisors (see below), whose sum is σ = 2312320560. Its totient is φ = 2312119488.

The previous prime is 2312220013. The next prime is 2312220041. The reversal of 2312220023 is 3200222132.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2312220023 - 2⁴ = 2312220007 is a prime.

It is a super-2 number, since 2×2312220023² = 10692722869524241058, 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 = 2312219983 and 2312220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312220013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3158 + ... + 68076.

It is an arithmetic number, because the mean of its divisors is an integer number (578080140).

Almost surely, 2^2312220023 is an apocalyptic number.

2312220023 is a deficient number, since it is larger than the sum of its proper divisors (100537).

2312220023 is an equidigital number, since it uses as much as digits as its factorization.

2312220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100536.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2312220023 is about 48085.5490038327. The cubic root of 2312220023 is about 1322.3397481410.

Adding to 2312220023 its reverse (3200222132), we get a palindrome (5512442155).

The spelling of 2312220023 in words is "two billion, three hundred twelve million, two hundred twenty thousand, twenty-three".