23223122321 has 16 divisors (see below), whose sum is σ = 26840346624. Its totient is φ = 19681413264.

The previous prime is 23223122311. The next prime is 23223122339. The reversal of 23223122321 is 12322132232.

It is a cyclic number.

It is not a de Polignac number, because 23223122321 - 2³⁴ = 6043253137 is a prime.

It is a super-2 number, since 2×23223122321² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23223122311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441596 + ... + 491378.

It is an arithmetic number, because the mean of its divisors is an integer number (1677521664).

Almost surely, 2^23223122321 is an apocalyptic number.

It is an amenable number.

23223122321 is a deficient number, since it is larger than the sum of its proper divisors (3617224303).

23223122321 is a wasteful number, since it uses less digits than its factorization.

23223122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50540.

The product of its digits is 1728, while the sum is 23.

Adding to 23223122321 its reverse (12322132232), we get a palindrome (35545254553).

The spelling of 23223122321 in words is "twenty-three billion, two hundred twenty-three million, one hundred twenty-two thousand, three hundred twenty-one".