25902378023 has 2 divisors, whose sum is σ = 25902378024. Its totient is φ = 25902378022.

The previous prime is 25902377957. The next prime is 25902378077. The reversal of 25902378023 is 32087320952.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25902378023 - 2¹⁰ = 25902376999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25902378223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12951189011 + 12951189012.

It is an arithmetic number, because the mean of its divisors is an integer number (12951189012).

Almost surely, 2^25902378023 is an apocalyptic number.

25902378023 is a deficient number, since it is larger than the sum of its proper divisors (1).

25902378023 is an equidigital number, since it uses as much as digits as its factorization.

25902378023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

Adding to 25902378023 its reverse (32087320952), we get a palindrome (57989698975).

The spelling of 25902378023 in words is "twenty-five billion, nine hundred two million, three hundred seventy-eight thousand, twenty-three".