2023397 has 4 divisors (see below), whose sum is σ = 2066496. Its totient is φ = 1980300.

The previous prime is 2023393. The next prime is 2023421. The reversal of 2023397 is 7933202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2023397 - 2² = 2023393 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023393) 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, 21479 + ... + 21572.

It is an arithmetic number, because the mean of its divisors is an integer number (516624).

2^2023397 is an apocalyptic number.

It is an amenable number.

2023397 is a deficient number, since it is larger than the sum of its proper divisors (43099).

2023397 is an equidigital number, since it uses as much as digits as its factorization.

2023397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43098.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 2023397 is about 1422.4615987787. The cubic root of 2023397 is about 126.4815077095.

Adding to 2023397 its reverse (7933202), we get a palindrome (9956599).

The spelling of 2023397 in words is "two million, twenty-three thousand, three hundred ninety-seven".