22313323 has 4 divisors (see below), whose sum is σ = 22329328. Its totient is φ = 22297320.

The previous prime is 22313321. The next prime is 22313339. The reversal of 22313323 is 32331322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22313323 - 2¹ = 22313321 is a prime.

It is a super-3 number, since 3×22313323³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22313323.

It is not an unprimeable number, because it can be changed into a prime (22313321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5688 + ... + 8773.

It is an arithmetic number, because the mean of its divisors is an integer number (5582332).

Almost surely, 2^22313323 is an apocalyptic number.

22313323 is a deficient number, since it is larger than the sum of its proper divisors (16005).

22313323 is a wasteful number, since it uses less digits than its factorization.

22313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16004.

The product of its digits is 648, while the sum is 19.

The square root of 22313323 is about 4723.6980216775. The cubic root of 22313323 is about 281.5278848229.

Adding to 22313323 its reverse (32331322), we get a palindrome (54644645).

The spelling of 22313323 in words is "twenty-two million, three hundred thirteen thousand, three hundred twenty-three".