2023993 has 2 divisors, whose sum is σ = 2023994. Its totient is φ = 2023992.

The previous prime is 2023981. The next prime is 2024063. The reversal of 2023993 is 3993202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1557504 + 466489 = 1248^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023993 - 2¹³ = 2015801 is a prime.

It is not a weakly prime, because it can be changed into another prime (2023913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011996 + 1011997.

It is an arithmetic number, because the mean of its divisors is an integer number (1011997).

2^2023993 is an apocalyptic number.

It is an amenable number.

2023993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023993 is an equidigital number, since it uses as much as digits as its factorization.

2023993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 2023993 is about 1422.6710793434. The cubic root of 2023993 is about 126.4939250417.

The spelling of 2023993 in words is "two million, twenty-three thousand, nine hundred ninety-three".