23213322321 has 16 divisors (see below), whose sum is σ = 35375885184. Its totient is φ = 13263554304.

The previous prime is 23213322277. The next prime is 23213322331. The reversal of 23213322321 is 12322331232.

It is not a de Polignac number, because 23213322321 - 2¹³ = 23213314129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23213322291 and 23213322300.

It is not an unprimeable number, because it can be changed into a prime (23213322331) 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, 221641 + ... + 309113.

It is an arithmetic number, because the mean of its divisors is an integer number (2210992824).

Almost surely, 2^23213322321 is an apocalyptic number.

23213322321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23213322321 is a deficient number, since it is larger than the sum of its proper divisors (12162562863).

23213322321 is a wasteful number, since it uses less digits than its factorization.

23213322321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100120.

The product of its digits is 2592, while the sum is 24.

Adding to 23213322321 its reverse (12322331232), we get a palindrome (35535653553).

The spelling of 23213322321 in words is "twenty-three billion, two hundred thirteen million, three hundred twenty-two thousand, three hundred twenty-one".