25343452523 has 2 divisors, whose sum is σ = 25343452524. Its totient is φ = 25343452522.

The previous prime is 25343452501. The next prime is 25343452571. The reversal of 25343452523 is 32525434352.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25343452523 is a prime.

It is not a weakly prime, because it can be changed into another prime (25343454523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12671726261 + 12671726262.

It is an arithmetic number, because the mean of its divisors is an integer number (12671726262).

Almost surely, 2^25343452523 is an apocalyptic number.

25343452523 is a deficient number, since it is larger than the sum of its proper divisors (1).

25343452523 is an equidigital number, since it uses as much as digits as its factorization.

25343452523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 38.

Adding to 25343452523 its reverse (32525434352), we get a palindrome (57868886875).

The spelling of 25343452523 in words is "twenty-five billion, three hundred forty-three million, four hundred fifty-two thousand, five hundred twenty-three".