2311001223 has 16 divisors (see below), whose sum is σ = 3167559936. Its totient is φ = 1498150080.

The previous prime is 2311001207. The next prime is 2311001243. The reversal of 2311001223 is 3221001132.

2311001223 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2311001223 - 2⁴ = 2311001207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311001243) 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, 58765 + ... + 89862.

It is an arithmetic number, because the mean of its divisors is an integer number (197972496).

Almost surely, 2^2311001223 is an apocalyptic number.

2311001223 is a deficient number, since it is larger than the sum of its proper divisors (856558713).

2311001223 is a wasteful number, since it uses less digits than its factorization.

2311001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148774.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2311001223 is about 48072.8740871606. The cubic root of 2311001223 is about 1322.1073667170.

Adding to 2311001223 its reverse (3221001132), we get a palindrome (5532002355).

Subtracting 2311001223 from its reverse (3221001132), we obtain a palindrome (909999909).

The spelling of 2311001223 in words is "two billion, three hundred eleven million, one thousand, two hundred twenty-three".