25303042423 has 2 divisors, whose sum is σ = 25303042424. Its totient is φ = 25303042422.

The previous prime is 25303042399. The next prime is 25303042469. The reversal of 25303042423 is 32424030352.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25303042423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25303042391 and 25303042400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25303042123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12651521211 + 12651521212.

It is an arithmetic number, because the mean of its divisors is an integer number (12651521212).

Almost surely, 2^25303042423 is an apocalyptic number.

25303042423 is a deficient number, since it is larger than the sum of its proper divisors (1).

25303042423 is an equidigital number, since it uses as much as digits as its factorization.

25303042423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 25303042423 its reverse (32424030352), we get a palindrome (57727072775).

The spelling of 25303042423 in words is "twenty-five billion, three hundred three million, forty-two thousand, four hundred twenty-three".