25315206323 has 8 divisors (see below), whose sum is σ = 27799481856. Its totient is φ = 22861413000.

The previous prime is 25315206313. The next prime is 25315206383. The reversal of 25315206323 is 32360251352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25315206323 - 2¹⁶ = 25315140787 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25315206323.

It is not an unprimeable number, because it can be changed into a prime (25315206313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7618811 + ... + 7622132.

It is an arithmetic number, because the mean of its divisors is an integer number (3474935232).

Almost surely, 2^25315206323 is an apocalyptic number.

25315206323 is a deficient number, since it is larger than the sum of its proper divisors (2484275533).

25315206323 is a wasteful number, since it uses less digits than its factorization.

25315206323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15241105.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 25315206323 its reverse (32360251352), we get a palindrome (57675457675).

The spelling of 25315206323 in words is "twenty-five billion, three hundred fifteen million, two hundred six thousand, three hundred twenty-three".