22313423 has 4 divisors (see below), whose sum is σ = 24341928. Its totient is φ = 20284920.

The previous prime is 22313413. The next prime is 22313443. The reversal of 22313423 is 32431322.

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 22313423 - 2¹² = 22309327 is a prime.

It is a super-3 number, since 3×22313423³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22313395 and 22313404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313413) 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, 1014236 + ... + 1014257.

It is an arithmetic number, because the mean of its divisors is an integer number (6085482).

Almost surely, 2^22313423 is an apocalyptic number.

22313423 is a deficient number, since it is larger than the sum of its proper divisors (2028505).

22313423 is a wasteful number, since it uses less digits than its factorization.

22313423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028504.

The product of its digits is 864, while the sum is 20.

The square root of 22313423 is about 4723.7086065929. The cubic root of 22313423 is about 281.5283053900.

Adding to 22313423 its reverse (32431322), we get a palindrome (54744745).

The spelling of 22313423 in words is "twenty-two million, three hundred thirteen thousand, four hundred twenty-three".