2573555723 has 2 divisors, whose sum is σ = 2573555724. Its totient is φ = 2573555722.

The previous prime is 2573555707. The next prime is 2573555749. The reversal of 2573555723 is 3275553752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2573555723 - 2⁴ = 2573555707 is a prime.

It is not a weakly prime, because it can be changed into another prime (2573554723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286777861 + 1286777862.

It is an arithmetic number, because the mean of its divisors is an integer number (1286777862).

Almost surely, 2^2573555723 is an apocalyptic number.

2573555723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573555723 is an equidigital number, since it uses as much as digits as its factorization.

2573555723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102500, while the sum is 44.

The square root of 2573555723 is about 50730.2249452927. The cubic root of 2573555723 is about 1370.3910871329.

The spelling of 2573555723 in words is "two billion, five hundred seventy-three million, five hundred fifty-five thousand, seven hundred twenty-three".