25144531723 has 2 divisors, whose sum is σ = 25144531724. Its totient is φ = 25144531722.

The previous prime is 25144531691. The next prime is 25144531757. The reversal of 25144531723 is 32713544152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25144531723 - 2⁵ = 25144531691 is a prime.

It is not a weakly prime, because it can be changed into another prime (25144531123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12572265861 + 12572265862.

It is an arithmetic number, because the mean of its divisors is an integer number (12572265862).

Almost surely, 2^25144531723 is an apocalyptic number.

25144531723 is a deficient number, since it is larger than the sum of its proper divisors (1).

25144531723 is an equidigital number, since it uses as much as digits as its factorization.

25144531723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 37.

The spelling of 25144531723 in words is "twenty-five billion, one hundred forty-four million, five hundred thirty-one thousand, seven hundred twenty-three".