2040431223 has 16 divisors (see below), whose sum is σ = 2988276480. Its totient is φ = 1232662464.

The previous prime is 2040431219. The next prime is 2040431291. The reversal of 2040431223 is 3221340402.

It is not a de Polignac number, because 2040431223 - 2² = 2040431219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040431223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040431023) 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, 776886 + ... + 779507.

It is an arithmetic number, because the mean of its divisors is an integer number (186767280).

Almost surely, 2^2040431223 is an apocalyptic number.

2040431223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2040431223 is a deficient number, since it is larger than the sum of its proper divisors (947845257).

2040431223 is a wasteful number, since it uses less digits than its factorization.

2040431223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556438.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2040431223 is about 45171.1326291471. The cubic root of 2040431223 is about 1268.3544983593.

Adding to 2040431223 its reverse (3221340402), we get a palindrome (5261771625).

The spelling of 2040431223 in words is "two billion, forty million, four hundred thirty-one thousand, two hundred twenty-three".