23213367321 has 8 divisors (see below), whose sum is σ = 30952098624. Its totient is φ = 15475107120.

The previous prime is 23213367319. The next prime is 23213367361. The reversal of 23213367321 is 12376331232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23213367321 - 2¹ = 23213367319 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23213367301) 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 7 ways as a sum of consecutive naturals, for example, 20340 + ... + 216426.

It is an arithmetic number, because the mean of its divisors is an integer number (3869012328).

Almost surely, 2^23213367321 is an apocalyptic number.

It is an amenable number.

23213367321 is a deficient number, since it is larger than the sum of its proper divisors (7738731303).

23213367321 is a wasteful number, since it uses less digits than its factorization.

23213367321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235551.

The product of its digits is 27216, while the sum is 33.

Adding to 23213367321 its reverse (12376331232), we get a palindrome (35589698553).

The spelling of 23213367321 in words is "twenty-three billion, two hundred thirteen million, three hundred sixty-seven thousand, three hundred twenty-one".