25000323015923 has 2 divisors, whose sum is σ = 25000323015924. Its totient is φ = 25000323015922.

The previous prime is 25000323015911. The next prime is 25000323016003. The reversal of 25000323015923 is 32951032300052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25000323015923 - 2²⁸ = 25000054580467 is a prime.

It is not a weakly prime, because it can be changed into another prime (25000323014923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500161507961 + 12500161507962.

It is an arithmetic number, because the mean of its divisors is an integer number (12500161507962).

Almost surely, 2^{25000323015923} is an apocalyptic number.

25000323015923 is a deficient number, since it is larger than the sum of its proper divisors (1).

25000323015923 is an equidigital number, since it uses as much as digits as its factorization.

25000323015923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 25000323015923 its reverse (32951032300052), we get a palindrome (57951355315975).

The spelling of 25000323015923 in words is "twenty-five trillion, three hundred twenty-three million, fifteen thousand, nine hundred twenty-three".