22323943 has 2 divisors, whose sum is σ = 22323944. Its totient is φ = 22323942.

The previous prime is 22323893. The next prime is 22323947. The reversal of 22323943 is 34932322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22323943 is a prime.

It is a super-3 number, since 3×22323943³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22323947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11161971 + 11161972.

It is an arithmetic number, because the mean of its divisors is an integer number (11161972).

Almost surely, 2^22323943 is an apocalyptic number.

22323943 is a deficient number, since it is larger than the sum of its proper divisors (1).

22323943 is an equidigital number, since it uses as much as digits as its factorization.

22323943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 28.

The square root of 22323943 is about 4724.8220072295. The cubic root of 22323943 is about 281.5725420281.

The spelling of 22323943 in words is "twenty-two million, three hundred twenty-three thousand, nine hundred forty-three".