22323432321 has 12 divisors (see below), whose sum is σ = 32306618448. Its totient is φ = 14853829464.

The previous prime is 22323432317. The next prime is 22323432353. The reversal of 22323432321 is 12323432322.

22323432321 is a `hidden beast` number, since 223 + 2 + 3 + 432 + 3 + 2 + 1 = 666.

It is not a de Polignac number, because 22323432321 - 2² = 22323432317 is a prime.

It is a super-3 number, since 3×22323432321³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22323432301) 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, 2366595 + ... + 2376008.

It is an arithmetic number, because the mean of its divisors is an integer number (2692218204).

Almost surely, 2^22323432321 is an apocalyptic number.

It is an amenable number.

22323432321 is a deficient number, since it is larger than the sum of its proper divisors (9983186127).

22323432321 is a wasteful number, since it uses less digits than its factorization.

22323432321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743132 (or 4743129 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

Adding to 22323432321 its reverse (12323432322), we get a palindrome (34646864643).

Subtracting from 22323432321 its reverse (12323432322), we obtain a palindrome (9999999999).

The spelling of 22323432321 in words is "twenty-two billion, three hundred twenty-three million, four hundred thirty-two thousand, three hundred twenty-one".