23105356225 has 24 divisors (see below), whose sum is σ = 32751776768. Its totient is φ = 15839712000.

The previous prime is 23105356223. The next prime is 23105356229. The reversal of 23105356225 is 52265350132.

It is not a de Polignac number, because 23105356225 - 2¹ = 23105356223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23105356223) 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, 800800 + ... + 829150.

Almost surely, 2^23105356225 is an apocalyptic number.

23105356225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23105356225 is a deficient number, since it is larger than the sum of its proper divisors (9646420543).

23105356225 is a wasteful number, since it uses less digits than its factorization.

23105356225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33025 (or 33020 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

It can be divided in two parts, 2310 and 5356225, that added together give a palindrome (5358535).

The spelling of 23105356225 in words is "twenty-three billion, one hundred five million, three hundred fifty-six thousand, two hundred twenty-five".