1223966004 has 24 divisors (see below), whose sum is σ = 2872433760. Its totient is φ = 405629664.

The previous prime is 1223965991. The next prime is 1223966041. The reversal of 1223966004 is 4006693221.

It is a congruent number.

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, 292714 + ... + 296865.

It is an arithmetic number, because the mean of its divisors is an integer number (119684740).

Almost surely, 2^1223966004 is an apocalyptic number.

It is an amenable number.

1223966004 is an abundant number, since it is smaller than the sum of its proper divisors (1648467756).

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

1223966004 is a wasteful number, since it uses less digits than its factorization.

1223966004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589759 (or 589757 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1223966004 is about 34985.2255102064. The cubic root of 1223966004 is about 1069.6863447265.

The spelling of 1223966004 in words is "one billion, two hundred twenty-three million, nine hundred sixty-six thousand, four".