25120868723 has 2 divisors, whose sum is σ = 25120868724. Its totient is φ = 25120868722.

The previous prime is 25120868699. The next prime is 25120868807. The reversal of 25120868723 is 32786802152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25120868723 - 2¹² = 25120864627 is a prime.

It is not a weakly prime, because it can be changed into another prime (25120808723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12560434361 + 12560434362.

It is an arithmetic number, because the mean of its divisors is an integer number (12560434362).

Almost surely, 2^25120868723 is an apocalyptic number.

25120868723 is a deficient number, since it is larger than the sum of its proper divisors (1).

25120868723 is an equidigital number, since it uses as much as digits as its factorization.

25120868723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 25120868723 in words is "twenty-five billion, one hundred twenty million, eight hundred sixty-eight thousand, seven hundred twenty-three".