25318656323 has 16 divisors (see below), whose sum is σ = 26554784256. Its totient is φ = 24112656960.

The previous prime is 25318656317. The next prime is 25318656329. The reversal of 25318656323 is 32365681352.

It is an interprime number because it is at equal distance from previous prime (25318656317) and next prime (25318656329).

It is a cyclic number.

It is not a de Polignac number, because 25318656323 - 2²⁶ = 25251547459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25318656329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4268786 + ... + 4274712.

It is an arithmetic number, because the mean of its divisors is an integer number (1659674016).

Almost surely, 2^25318656323 is an apocalyptic number.

25318656323 is a deficient number, since it is larger than the sum of its proper divisors (1236127933).

25318656323 is a wasteful number, since it uses less digits than its factorization.

25318656323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8434.

The product of its digits is 777600, while the sum is 44.

The spelling of 25318656323 in words is "twenty-five billion, three hundred eighteen million, six hundred fifty-six thousand, three hundred twenty-three".