1223042223 has 16 divisors (see below), whose sum is σ = 1759404416. Its totient is φ = 751252320.

The previous prime is 1223042209. The next prime is 1223042243. The reversal of 1223042223 is 3222403221.

It is not a de Polignac number, because 1223042223 - 2²¹ = 1220945071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223042223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223042243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7333 + ... + 49998.

It is an arithmetic number, because the mean of its divisors is an integer number (109962776).

Almost surely, 2^1223042223 is an apocalyptic number.

1223042223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1223042223 is a deficient number, since it is larger than the sum of its proper divisors (536362193).

1223042223 is a wasteful number, since it uses less digits than its factorization.

1223042223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57894.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1223042223 is about 34972.0205735957. The cubic root of 1223042223 is about 1069.4171638768.

Adding to 1223042223 its reverse (3222403221), we get a palindrome (4445445444).

The spelling of 1223042223 in words is "one billion, two hundred twenty-three million, forty-two thousand, two hundred twenty-three".