2023111231 has 4 divisors (see below), whose sum is σ = 2142117792. Its totient is φ = 1904104672.

The previous prime is 2023111229. The next prime is 2023111247. The reversal of 2023111231 is 1321113202.

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 2023111231 - 2¹ = 2023111229 is a prime.

It is a super-2 number, since 2×2023111231² = 8185958105996670722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023111201) 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, 59503255 + ... + 59503288.

It is an arithmetic number, because the mean of its divisors is an integer number (535529448).

Almost surely, 2^2023111231 is an apocalyptic number.

2023111231 is a deficient number, since it is larger than the sum of its proper divisors (119006561).

2023111231 is a wasteful number, since it uses less digits than its factorization.

2023111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119006560.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2023111231 is about 44979.0087818751. The cubic root of 2023111231 is about 1264.7555300462.

Adding to 2023111231 its reverse (1321113202), we get a palindrome (3344224433).

The spelling of 2023111231 in words is "two billion, twenty-three million, one hundred eleven thousand, two hundred thirty-one".