23445121 has 8 divisors (see below), whose sum is σ = 26832384. Its totient is φ = 20067360.

The previous prime is 23445113. The next prime is 23445131. The reversal of 23445121 is 12154432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23445121 - 2³ = 23445113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23445092 and 23445101.

It is not an unprimeable number, because it can be changed into a prime (23445101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4101 + ... + 7981.

It is an arithmetic number, because the mean of its divisors is an integer number (3354048).

Almost surely, 2^23445121 is an apocalyptic number.

It is an amenable number.

23445121 is a deficient number, since it is larger than the sum of its proper divisors (3387263).

23445121 is an equidigital number, since it uses as much as digits as its factorization.

23445121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4751.

The product of its digits is 960, while the sum is 22.

The square root of 23445121 is about 4842.0162122818. The cubic root of 23445121 is about 286.2095754716.

Adding to 23445121 its reverse (12154432), we get a palindrome (35599553).

The spelling of 23445121 in words is "twenty-three million, four hundred forty-five thousand, one hundred twenty-one".