22123042393 has 4 divisors (see below), whose sum is σ = 22123357200. Its totient is φ = 22122727588.

The previous prime is 22123042391. The next prime is 22123042397. The reversal of 22123042393 is 39324032122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22123042393 - 2¹ = 22123042391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22123042391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446 + ... + 210352.

It is an arithmetic number, because the mean of its divisors is an integer number (5530839300).

Almost surely, 2^22123042393 is an apocalyptic number.

It is an amenable number.

22123042393 is a deficient number, since it is larger than the sum of its proper divisors (314807).

22123042393 is a wasteful number, since it uses less digits than its factorization.

22123042393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314806.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 22123042393 in words is "twenty-two billion, one hundred twenty-three million, forty-two thousand, three hundred ninety-three".