23001153225 has 12 divisors (see below), whose sum is σ = 38028573456. Its totient is φ = 12267281680.

The previous prime is 23001153191. The next prime is 23001153251. The reversal of 23001153225 is 52235110032.

It is a happy number.

It is not a de Polignac number, because 23001153225 - 2¹¹ = 23001151177 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23001153195 and 23001153204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153340947 + ... + 153341096.

It is an arithmetic number, because the mean of its divisors is an integer number (3169047788).

Almost surely, 2^23001153225 is an apocalyptic number.

23001153225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23001153225 is a deficient number, since it is larger than the sum of its proper divisors (15027420231).

23001153225 is a wasteful number, since it uses less digits than its factorization.

23001153225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306682056 (or 306682051 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 23001153225 its reverse (52235110032), we get a palindrome (75236263257).

The spelling of 23001153225 in words is "twenty-three billion, one million, one hundred fifty-three thousand, two hundred twenty-five".