1223311004 has 6 divisors (see below), whose sum is σ = 2140794264. Its totient is φ = 611655500.

The previous prime is 1223311003. The next prime is 1223311013. The reversal of 1223311004 is 4001133221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223311003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152913872 + ... + 152913879.

It is an arithmetic number, because the mean of its divisors is an integer number (356799044).

Almost surely, 2^1223311004 is an apocalyptic number.

It is an amenable number.

1223311004 is a deficient number, since it is larger than the sum of its proper divisors (917483260).

1223311004 is a wasteful number, since it uses less digits than its factorization.

1223311004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305827755 (or 305827753 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1223311004 is about 34975.8631630443. The cubic root of 1223311004 is about 1069.4954980383.

Adding to 1223311004 its reverse (4001133221), we get a palindrome (5224444225).

The spelling of 1223311004 in words is "one billion, two hundred twenty-three million, three hundred eleven thousand, four".