23243205225 has 24 divisors (see below), whose sum is σ = 38502308512. Its totient is φ = 12372652800.

The previous prime is 23243205221. The next prime is 23243205241. The reversal of 23243205225 is 52250234232.

It is not a de Polignac number, because 23243205225 - 2² = 23243205221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23243205192 and 23243205201.

It is not an unprimeable number, because it can be changed into a prime (23243205221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257056 + ... + 335505.

Almost surely, 2^23243205225 is an apocalyptic number.

23243205225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23243205225 is a deficient number, since it is larger than the sum of its proper divisors (15259103287).

23243205225 is a wasteful number, since it uses less digits than its factorization.

23243205225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593097 (or 593092 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 23243205225 its reverse (52250234232), we get a palindrome (75493439457).

The spelling of 23243205225 in words is "twenty-three billion, two hundred forty-three million, two hundred five thousand, two hundred twenty-five".