2031323223 has 16 divisors (see below), whose sum is σ = 2829024000. Its totient is φ = 1294037184.

The previous prime is 2031323197. The next prime is 2031323227. The reversal of 2031323223 is 3223231302.

It is not a de Polignac number, because 2031323223 - 2¹⁰ = 2031322199 is a prime.

It is a super-5 number, since 5×2031323223⁵ (a number of 48 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2031323223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031323227) 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, 57028 + ... + 85526.

It is an arithmetic number, because the mean of its divisors is an integer number (176814000).

Almost surely, 2^2031323223 is an apocalyptic number.

2031323223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2031323223 is a deficient number, since it is larger than the sum of its proper divisors (797700777).

2031323223 is a wasteful number, since it uses less digits than its factorization.

2031323223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29558.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2031323223 is about 45070.2032722285. The cubic root of 2031323223 is about 1266.4644723505.

Adding to 2031323223 its reverse (3223231302), we get a palindrome (5254554525).

The spelling of 2031323223 in words is "two billion, thirty-one million, three hundred twenty-three thousand, two hundred twenty-three".