2040123231 has 12 divisors (see below), whose sum is σ = 2958588360. Its totient is φ = 1354662000.

The previous prime is 2040123221. The next prime is 2040123247. The reversal of 2040123231 is 1323210402.

2040123231 is a `hidden beast` number, since 2 + 0 + 401 + 232 + 31 = 666.

It is not a de Polignac number, because 2040123231 - 2¹⁴ = 2040106847 is a prime.

It is a super-2 number, since 2×2040123231² = 8324205595331758722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040123221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449296 + ... + 453813.

It is an arithmetic number, because the mean of its divisors is an integer number (246549030).

Almost surely, 2^2040123231 is an apocalyptic number.

2040123231 is a deficient number, since it is larger than the sum of its proper divisors (918465129).

2040123231 is a wasteful number, since it uses less digits than its factorization.

2040123231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903366 (or 903363 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2040123231 is about 45167.7233320432. The cubic root of 2040123231 is about 1268.2906780761.

Adding to 2040123231 its reverse (1323210402), we get a palindrome (3363333633).

The spelling of 2040123231 in words is "two billion, forty million, one hundred twenty-three thousand, two hundred thirty-one".