23221203329 has 4 divisors (see below), whose sum is σ = 24587156484. Its totient is φ = 21855250176.

The previous prime is 23221203323. The next prime is 23221203331. The reversal of 23221203329 is 92330212232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16212164929 + 7009038400 = 127327^2 + 83720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23221203329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23221203323) 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, 682976552 + ... + 682976585.

It is an arithmetic number, because the mean of its divisors is an integer number (6146789121).

Almost surely, 2^23221203329 is an apocalyptic number.

It is an amenable number.

23221203329 is a deficient number, since it is larger than the sum of its proper divisors (1365953155).

23221203329 is a wasteful number, since it uses less digits than its factorization.

23221203329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365953154.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 23221203329 in words is "twenty-three billion, two hundred twenty-one million, two hundred three thousand, three hundred twenty-nine".