1223323044 has 24 divisors (see below), whose sum is σ = 2855011488. Its totient is φ = 407689920.

The previous prime is 1223323033. The next prime is 1223323061. The reversal of 1223323044 is 4403233221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82959 + ... + 96585.

It is an arithmetic number, because the mean of its divisors is an integer number (118958812).

Almost surely, 2^1223323044 is an apocalyptic number.

It is an amenable number.

1223323044 is an abundant number, since it is smaller than the sum of its proper divisors (1631688444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223323044 is a wasteful number, since it uses less digits than its factorization.

1223323044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21115 (or 21113 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1223323044 is about 34976.0352813180. The cubic root of 1223323044 is about 1069.4990067354.

Adding to 1223323044 its reverse (4403233221), we get a palindrome (5626556265).

The spelling of 1223323044 in words is "one billion, two hundred twenty-three million, three hundred twenty-three thousand, forty-four".