23245121 has 4 divisors (see below), whose sum is σ = 23258112. Its totient is φ = 23232132.

The previous prime is 23245099. The next prime is 23245127. The reversal of 23245121 is 12154232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23245121 - 2¹⁰ = 23244097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23245093 and 23245102.

It is not an unprimeable number, because it can be changed into a prime (23245127) 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, 3281 + ... + 7566.

It is an arithmetic number, because the mean of its divisors is an integer number (5814528).

Almost surely, 2^23245121 is an apocalyptic number.

It is an amenable number.

23245121 is a deficient number, since it is larger than the sum of its proper divisors (12991).

23245121 is a wasteful number, since it uses less digits than its factorization.

23245121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990.

The product of its digits is 480, while the sum is 20.

The square root of 23245121 is about 4821.3194252196. The cubic root of 23245121 is about 285.3934076582.

Adding to 23245121 its reverse (12154232), we get a palindrome (35399353).

The spelling of 23245121 in words is "twenty-three million, two hundred forty-five thousand, one hundred twenty-one".