23320121 has 8 divisors (see below), whose sum is σ = 25641984. Its totient is φ = 21031920.

The previous prime is 23320111. The next prime is 23320133. The reversal of 23320121 is 12102332.

It is a happy number.

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 23320121 - 2⁶ = 23320057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23320096 and 23320105.

It is not an unprimeable number, because it can be changed into a prime (23320111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6950 + ... + 9743.

It is an arithmetic number, because the mean of its divisors is an integer number (3205248).

Almost surely, 2^23320121 is an apocalyptic number.

It is an amenable number.

23320121 is a deficient number, since it is larger than the sum of its proper divisors (2321863).

23320121 is a wasteful number, since it uses less digits than its factorization.

23320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16831.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23320121 is about 4829.0911153135. The cubic root of 23320121 is about 285.7000171803.

Adding to 23320121 its reverse (12102332), we get a palindrome (35422453).

The spelling of 23320121 in words is "twenty-three million, three hundred twenty thousand, one hundred twenty-one".