2573840623 has 2 divisors, whose sum is σ = 2573840624. Its totient is φ = 2573840622.

The previous prime is 2573840617. The next prime is 2573840669. The reversal of 2573840623 is 3260483752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2573840623 - 2²⁵ = 2540286191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2573840023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286920311 + 1286920312.

It is an arithmetic number, because the mean of its divisors is an integer number (1286920312).

Almost surely, 2^2573840623 is an apocalyptic number.

2573840623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573840623 is an equidigital number, since it uses as much as digits as its factorization.

2573840623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 2573840623 is about 50733.0328582867. The cubic root of 2573840623 is about 1370.4416540083.

The spelling of 2573840623 in words is "two billion, five hundred seventy-three million, eight hundred forty thousand, six hundred twenty-three".