2573423 has 2 divisors, whose sum is σ = 2573424. Its totient is φ = 2573422.

The previous prime is 2573413. The next prime is 2573437. The reversal of 2573423 is 3243752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2573423 - 2⁶ = 2573359 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2573392 and 2573401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2573413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286711 + 1286712.

It is an arithmetic number, because the mean of its divisors is an integer number (1286712).

2^2573423 is an apocalyptic number.

2573423 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573423 is an equidigital number, since it uses as much as digits as its factorization.

2573423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 26.

The square root of 2573423 is about 1604.1892033049. The cubic root of 2573423 is about 137.0367528865.

The spelling of 2573423 in words is "two million, five hundred seventy-three thousand, four hundred twenty-three".