1223204323 has 16 divisors (see below), whose sum is σ = 1349796096. Its totient is φ = 1099254240.

The previous prime is 1223204303. The next prime is 1223204357. The reversal of 1223204323 is 3234023221.

It is a cyclic number.

It is not a de Polignac number, because 1223204323 - 2¹⁷ = 1223073251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223204294 and 1223204303.

It is not an unprimeable number, because it can be changed into a prime (1223204303) 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, 351490 + ... + 354952.

It is an arithmetic number, because the mean of its divisors is an integer number (84362256).

Almost surely, 2^1223204323 is an apocalyptic number.

1223204323 is a deficient number, since it is larger than the sum of its proper divisors (126591773).

1223204323 is a wasteful number, since it uses less digits than its factorization.

1223204323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3834.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1223204323 is about 34974.3380637861. The cubic root of 1223204323 is about 1069.4644080523.

Adding to 1223204323 its reverse (3234023221), we get a palindrome (4457227544).

The spelling of 1223204323 in words is "one billion, two hundred twenty-three million, two hundred four thousand, three hundred twenty-three".