2312011223 has 4 divisors (see below), whose sum is σ = 2312210400. Its totient is φ = 2311812048.

The previous prime is 2312011213. The next prime is 2312011243. The reversal of 2312011223 is 3221102132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2312011223 - 2⁶ = 2312011159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312011213) 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, 81023 + ... + 105776.

It is an arithmetic number, because the mean of its divisors is an integer number (578052600).

Almost surely, 2^2312011223 is an apocalyptic number.

2312011223 is a deficient number, since it is larger than the sum of its proper divisors (199177).

2312011223 is a wasteful number, since it uses less digits than its factorization.

2312011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199176.

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

The square root of 2312011223 is about 48083.3778243584. The cubic root of 2312011223 is about 1322.2999432712.

Adding to 2312011223 its reverse (3221102132), we get a palindrome (5533113355).

Subtracting 2312011223 from its reverse (3221102132), we obtain a palindrome (909090909).

It can be divided in two parts, 23120 and 11223, that added together give a palindrome (34343).

The spelling of 2312011223 in words is "two billion, three hundred twelve million, eleven thousand, two hundred twenty-three".