22423202342243 has 2 divisors, whose sum is σ = 22423202342244. Its totient is φ = 22423202342242.

The previous prime is 22423202342231. The next prime is 22423202342293. The reversal of 22423202342243 is 34224320232422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22423202342243 - 2⁸ = 22423202341987 is a prime.

It is a super-2 number, since 2×22423202342243² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22423202342293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211601171121 + 11211601171122.

It is an arithmetic number, because the mean of its divisors is an integer number (11211601171122).

Almost surely, 2^{22423202342243} is an apocalyptic number.

22423202342243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22423202342243 is an equidigital number, since it uses as much as digits as its factorization.

22423202342243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 22423202342243 its reverse (34224320232422), we get a palindrome (56647522574665).

The spelling of 22423202342243 in words is "twenty-two trillion, four hundred twenty-three billion, two hundred two million, three hundred forty-two thousand, two hundred forty-three".