25304136223 has 2 divisors, whose sum is σ = 25304136224. Its totient is φ = 25304136222.

The previous prime is 25304136203. The next prime is 25304136239. The reversal of 25304136223 is 32263140352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25304136223 - 2⁵ = 25304136191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25304136203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12652068111 + 12652068112.

It is an arithmetic number, because the mean of its divisors is an integer number (12652068112).

Almost surely, 2^25304136223 is an apocalyptic number.

25304136223 is a deficient number, since it is larger than the sum of its proper divisors (1).

25304136223 is an equidigital number, since it uses as much as digits as its factorization.

25304136223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 25304136223 its reverse (32263140352), we get a palindrome (57567276575).

The spelling of 25304136223 in words is "twenty-five billion, three hundred four million, one hundred thirty-six thousand, two hundred twenty-three".