25223112345 has 16 divisors (see below), whose sum is σ = 41018571072. Its totient is φ = 13231796160.

The previous prime is 25223112331. The next prime is 25223112353. The reversal of 25223112345 is 54321132252.

It is not a de Polignac number, because 25223112345 - 2⁷ = 25223112217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13782207 + ... + 13784036.

It is an arithmetic number, because the mean of its divisors is an integer number (2563660692).

Almost surely, 2^25223112345 is an apocalyptic number.

It is an amenable number.

25223112345 is a deficient number, since it is larger than the sum of its proper divisors (15795458727).

25223112345 is a wasteful number, since it uses less digits than its factorization.

25223112345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27566312.

The product of its digits is 14400, while the sum is 30.

Adding to 25223112345 its reverse (54321132252), we get a palindrome (79544244597).

The spelling of 25223112345 in words is "twenty-five billion, two hundred twenty-three million, one hundred twelve thousand, three hundred forty-five".