2023191 has 8 divisors (see below), whose sum is σ = 2997360. Its totient is φ = 1348776.

The previous prime is 2023183. The next prime is 2023201. The reversal of 2023191 is 1913202.

It is a happy number.

It is not a de Polignac number, because 2023191 - 2³ = 2023183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37440 + ... + 37493.

It is an arithmetic number, because the mean of its divisors is an integer number (374670).

2^2023191 is an apocalyptic number.

2023191 is a deficient number, since it is larger than the sum of its proper divisors (974169).

2023191 is an equidigital number, since it uses as much as digits as its factorization.

2023191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74942 (or 74936 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2023191 is about 1422.3891872480. The cubic root of 2023191 is about 126.4772152457.

Adding to 2023191 its reverse (1913202), we get a palindrome (3936393).

The spelling of 2023191 in words is "two million, twenty-three thousand, one hundred ninety-one".