25842881723 has 2 divisors, whose sum is σ = 25842881724. Its totient is φ = 25842881722.

The previous prime is 25842881699. The next prime is 25842881741. The reversal of 25842881723 is 32718824852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25842881723 - 2¹⁰ = 25842880699 is a prime.

It is not a weakly prime, because it can be changed into another prime (25842881423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12921440861 + 12921440862.

It is an arithmetic number, because the mean of its divisors is an integer number (12921440862).

Almost surely, 2^25842881723 is an apocalyptic number.

25842881723 is a deficient number, since it is larger than the sum of its proper divisors (1).

25842881723 is an equidigital number, since it uses as much as digits as its factorization.

25842881723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1720320, while the sum is 50.

The spelling of 25842881723 in words is "twenty-five billion, eight hundred forty-two million, eight hundred eighty-one thousand, seven hundred twenty-three".