2023231 has 4 divisors (see below), whose sum is σ = 2312272. Its totient is φ = 1734192.

The previous prime is 2023223. The next prime is 2023261. The reversal of 2023231 is 1323202.

It is a happy number.

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 2023231 - 2³ = 2023223 is a prime.

It is a super-2 number, since 2×2023231² = 8186927358722, 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 (2023201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144510 + ... + 144523.

It is an arithmetic number, because the mean of its divisors is an integer number (578068).

2^2023231 is an apocalyptic number.

2023231 is a deficient number, since it is larger than the sum of its proper divisors (289041).

2023231 is an equidigital number, since it uses as much as digits as its factorization.

2023231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289040.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2023231 is about 1422.4032480278. The cubic root of 2023231 is about 126.4780487566.

Adding to 2023231 its reverse (1323202), we get a palindrome (3346433).

The spelling of 2023231 in words is "two million, twenty-three thousand, two hundred thirty-one".