2023453 has 2 divisors, whose sum is σ = 2023454. Its totient is φ = 2023452.

The previous prime is 2023447. The next prime is 2023501. The reversal of 2023453 is 3543202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2022084 + 1369 = 1422^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 2023453 - 2⁵ = 2023421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2023453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2023433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1011726 + 1011727.

It is an arithmetic number, because the mean of its divisors is an integer number (1011727).

2^2023453 is an apocalyptic number.

It is an amenable number.

2023453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2023453 is an equidigital number, since it uses as much as digits as its factorization.

2023453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 2023453 is about 1422.4812828294. The cubic root of 2023453 is about 126.4826745424.

Adding to 2023453 its reverse (3543202), we get a palindrome (5566655).

It can be divided in two parts, 202 and 3453, that added together give a triangular number (3655 = T₈₅).

The spelling of 2023453 in words is "two million, twenty-three thousand, four hundred fifty-three".