25000323015423 has 32 divisors (see below), whose sum is σ = 38865195763200. Its totient is φ = 13998896510976.

The previous prime is 25000323015397. The next prime is 25000323015431. The reversal of 25000323015423 is 32451032300052.

It is not a de Polignac number, because 25000323015423 - 2¹² = 25000323011327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000323015923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31845138 + ... + 32620751.

It is an arithmetic number, because the mean of its divisors is an integer number (1214537367600).

Almost surely, 2^{25000323015423} is an apocalyptic number.

25000323015423 is a deficient number, since it is larger than the sum of its proper divisors (13864872747777).

25000323015423 is a wasteful number, since it uses less digits than its factorization.

25000323015423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64466271.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 25000323015423 its reverse (32451032300052), we get a palindrome (57451355315475).

The spelling of 25000323015423 in words is "twenty-five trillion, three hundred twenty-three million, fifteen thousand, four hundred twenty-three".