22303013243 has 4 divisors (see below), whose sum is σ = 25489158000. Its totient is φ = 19116868488.

The previous prime is 22303013231. The next prime is 22303013279. The reversal of 22303013243 is 34231030322.

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 22303013243 - 2⁸ = 22303012987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22303013743) 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, 1593072368 + ... + 1593072381.

It is an arithmetic number, because the mean of its divisors is an integer number (6372289500).

Almost surely, 2^22303013243 is an apocalyptic number.

22303013243 is a deficient number, since it is larger than the sum of its proper divisors (3186144757).

22303013243 is an equidigital number, since it uses as much as digits as its factorization.

22303013243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186144756.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 22303013243 its reverse (34231030322), we get a palindrome (56534043565).

The spelling of 22303013243 in words is "twenty-two billion, three hundred three million, thirteen thousand, two hundred forty-three".