25583744423 has 2 divisors, whose sum is σ = 25583744424. Its totient is φ = 25583744422.

The previous prime is 25583744419. The next prime is 25583744441. The reversal of 25583744423 is 32444738552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25583744423 - 2² = 25583744419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25583744413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12791872211 + 12791872212.

It is an arithmetic number, because the mean of its divisors is an integer number (12791872212).

Almost surely, 2^25583744423 is an apocalyptic number.

25583744423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25583744423 is an equidigital number, since it uses as much as digits as its factorization.

25583744423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 47.

The spelling of 25583744423 in words is "twenty-five billion, five hundred eighty-three million, seven hundred forty-four thousand, four hundred twenty-three".