23220330321 has 8 divisors (see below), whose sum is σ = 30965968960. Its totient is φ = 15477455952.

The previous prime is 23220330269. The next prime is 23220330383. The reversal of 23220330321 is 12303302232.

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

It is not a de Polignac number, because 23220330321 - 2⁹ = 23220329809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23220330121) 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, 671386 + ... + 705123.

It is an arithmetic number, because the mean of its divisors is an integer number (3870746120).

Almost surely, 2^23220330321 is an apocalyptic number.

It is an amenable number.

23220330321 is a deficient number, since it is larger than the sum of its proper divisors (7745638639).

23220330321 is a wasteful number, since it uses less digits than its factorization.

23220330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382135.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23220330321 its reverse (12303302232), we get a palindrome (35523632553).

The spelling of 23220330321 in words is "twenty-three billion, two hundred twenty million, three hundred thirty thousand, three hundred twenty-one".