22040323223 has 2 divisors, whose sum is σ = 22040323224. Its totient is φ = 22040323222.

The previous prime is 22040323211. The next prime is 22040323231. The reversal of 22040323223 is 32232304022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22040323223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22040323273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11020161611 + 11020161612.

It is an arithmetic number, because the mean of its divisors is an integer number (11020161612).

Almost surely, 2^22040323223 is an apocalyptic number.

22040323223 is a deficient number, since it is larger than the sum of its proper divisors (1).

22040323223 is an equidigital number, since it uses as much as digits as its factorization.

22040323223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 22040323223 its reverse (32232304022), we get a palindrome (54272627245).

The spelling of 22040323223 in words is "twenty-two billion, forty million, three hundred twenty-three thousand, two hundred twenty-three".