1223000999 has 8 divisors (see below), whose sum is σ = 1336462848. Its totient is φ = 1109919160.

The previous prime is 1223000981. The next prime is 1223001061. The reversal of 1223000999 is 9990003221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223000999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223000939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88247 + ... + 101160.

It is an arithmetic number, because the mean of its divisors is an integer number (167057856).

Almost surely, 2^1223000999 is an apocalyptic number.

1223000999 is a deficient number, since it is larger than the sum of its proper divisors (113461849).

1223000999 is a wasteful number, since it uses less digits than its factorization.

1223000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190005.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 1223000999 is about 34971.4311831815. The cubic root of 1223000999 is about 1069.4051484430.

The spelling of 1223000999 in words is "one billion, two hundred twenty-three million, nine hundred ninety-nine", and thus it is an aban number.