23359221 has 12 divisors (see below), whose sum is σ = 34313760. Its totient is φ = 15308520.

The previous prime is 23359201. The next prime is 23359223. The reversal of 23359221 is 12295332.

It is not a de Polignac number, because 23359221 - 2¹⁰ = 23358197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23359223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21465 + ... + 22526.

It is an arithmetic number, because the mean of its divisors is an integer number (2859480).

Almost surely, 2^23359221 is an apocalyptic number.

It is an amenable number.

23359221 is a deficient number, since it is larger than the sum of its proper divisors (10954539).

23359221 is a wasteful number, since it uses less digits than its factorization.

23359221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44056 (or 44053 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 23359221 is about 4833.1378006426. The cubic root of 23359221 is about 285.8596023045.

The spelling of 23359221 in words is "twenty-three million, three hundred fifty-nine thousand, two hundred twenty-one".