23302121 has 8 divisors (see below), whose sum is σ = 24812424. Its totient is φ = 21807360.

The previous prime is 23302117. The next prime is 23302127. The reversal of 23302121 is 12120332.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6786025 + 16516096 = 2605^2 + 4064^2 .

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 23302121 - 2² = 23302117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23302096 and 23302105.

It is not an unprimeable number, because it can be changed into a prime (23302127) 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, 710 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (3101553).

Almost surely, 2^23302121 is an apocalyptic number.

It is an amenable number.

23302121 is a deficient number, since it is larger than the sum of its proper divisors (1510303).

23302121 is a wasteful number, since it uses less digits than its factorization.

23302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771.

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

The square root of 23302121 is about 4827.2270508026. The cubic root of 23302121 is about 285.6264909179.

Adding to 23302121 its reverse (12120332), we get a palindrome (35422453).

The spelling of 23302121 in words is "twenty-three million, three hundred two thousand, one hundred twenty-one".