23225245231 has 4 divisors (see below), whose sum is σ = 23225911912. Its totient is φ = 23224578552.

The previous prime is 23225245207. The next prime is 23225245261. The reversal of 23225245231 is 13254252232.

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 23225245231 - 2²³ = 23216856623 is a prime.

It is a super-2 number, since 2×23225245231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23225245193 and 23225245202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23225245261) 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, 278025 + ... + 351778.

It is an arithmetic number, because the mean of its divisors is an integer number (5806477978).

Almost surely, 2^23225245231 is an apocalyptic number.

23225245231 is a deficient number, since it is larger than the sum of its proper divisors (666681).

23225245231 is an equidigital number, since it uses as much as digits as its factorization.

23225245231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666680.

The product of its digits is 28800, while the sum is 31.

Adding to 23225245231 its reverse (13254252232), we get a palindrome (36479497463).

The spelling of 23225245231 in words is "twenty-three billion, two hundred twenty-five million, two hundred forty-five thousand, two hundred thirty-one".