23332013221 has 8 divisors (see below), whose sum is σ = 25465008384. Its totient is φ = 21201001920.

The previous prime is 23332013147. The next prime is 23332013231. The reversal of 23332013221 is 12231023332.

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 23332013221 - 2⁹ = 23332012709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23332013192 and 23332013201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23332013231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471316 + ... + 518461.

It is an arithmetic number, because the mean of its divisors is an integer number (3183126048).

Almost surely, 2^23332013221 is an apocalyptic number.

It is an amenable number.

23332013221 is a deficient number, since it is larger than the sum of its proper divisors (2132995163).

23332013221 is a wasteful number, since it uses less digits than its factorization.

23332013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991931.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23332013221 its reverse (12231023332), we get a palindrome (35563036553).

The spelling of 23332013221 in words is "twenty-three billion, three hundred thirty-two million, thirteen thousand, two hundred twenty-one".