1222023043 has 2 divisors, whose sum is σ = 1222023044. Its totient is φ = 1222023042.

The previous prime is 1222023029. The next prime is 1222023071. The reversal of 1222023043 is 3403202221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222023043 - 2¹⁷ = 1221891971 is a prime.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1222023043.

It is not a weakly prime, because it can be changed into another prime (1222023343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611011521 + 611011522.

It is an arithmetic number, because the mean of its divisors is an integer number (611011522).

Almost surely, 2^1222023043 is an apocalyptic number.

1222023043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222023043 is an equidigital number, since it uses as much as digits as its factorization.

1222023043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1222023043 is about 34957.4461738840. The cubic root of 1222023043 is about 1069.1200273713.

Adding to 1222023043 its reverse (3403202221), we get a palindrome (4625225264).

The spelling of 1222023043 in words is "one billion, two hundred twenty-two million, twenty-three thousand, forty-three".