23330121321 has 16 divisors (see below), whose sum is σ = 33503722560. Its totient is φ = 14355257280.

The previous prime is 23330121293. The next prime is 23330121341. The reversal of 23330121321 is 12312103332.

It is not a de Polignac number, because 23330121321 - 2²⁵ = 23296566889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23330121341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338635 + ... + 401663.

It is an arithmetic number, because the mean of its divisors is an integer number (2093982660).

Almost surely, 2^23330121321 is an apocalyptic number.

It is an amenable number.

23330121321 is a deficient number, since it is larger than the sum of its proper divisors (10173601239).

23330121321 is a wasteful number, since it uses less digits than its factorization.

23330121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72536.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 23330121321 its reverse (12312103332), we get a palindrome (35642224653).

The spelling of 23330121321 in words is "twenty-three billion, three hundred thirty million, one hundred twenty-one thousand, three hundred twenty-one".