23165534301225 has 12 divisors (see below), whose sum is σ = 38300350044816. Its totient is φ = 12354951627280.

The previous prime is 23165534301197. The next prime is 23165534301233. The reversal of 23165534301225 is 52210343556132.

It is not a de Polignac number, because 23165534301225 - 2²⁵ = 23165500746793 is a prime.

It is a super-2 number, since 2×23165534301225² (a number of 28 digits) contains 22 as substring.

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, 154436895267 + ... + 154436895416.

It is an arithmetic number, because the mean of its divisors is an integer number (3191695837068).

Almost surely, 2^{23165534301225} is an apocalyptic number.

23165534301225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23165534301225 is a deficient number, since it is larger than the sum of its proper divisors (15134815743591).

23165534301225 is a wasteful number, since it uses less digits than its factorization.

23165534301225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308873790696 (or 308873790691 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 23165534301225 its reverse (52210343556132), we get a palindrome (75375877857357).

The spelling of 23165534301225 in words is "twenty-three trillion, one hundred sixty-five billion, five hundred thirty-four million, three hundred one thousand, two hundred twenty-five".