25315030223 has 4 divisors (see below), whose sum is σ = 28931463120. Its totient is φ = 21698597328.

The previous prime is 25315030217. The next prime is 25315030309. The reversal of 25315030223 is 32203051352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25315030223 - 2¹⁴ = 25315013839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25315030192 and 25315030201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25315030723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808216438 + ... + 1808216451.

It is an arithmetic number, because the mean of its divisors is an integer number (7232865780).

Almost surely, 2^25315030223 is an apocalyptic number.

25315030223 is a deficient number, since it is larger than the sum of its proper divisors (3616432897).

25315030223 is an equidigital number, since it uses as much as digits as its factorization.

25315030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616432896.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 25315030223 its reverse (32203051352), we get a palindrome (57518081575).

The spelling of 25315030223 in words is "twenty-five billion, three hundred fifteen million, thirty thousand, two hundred twenty-three".