1223000333123 has 16 divisors (see below), whose sum is σ = 1239438900000. Its totient is φ = 1206676403712.

The previous prime is 1223000333053. The next prime is 1223000333143. The reversal of 1223000333123 is 3213330003221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223000333123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223000333143) 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, 101496203 + ... + 101508251.

It is an arithmetic number, because the mean of its divisors is an integer number (77464931250).

Almost surely, 2^{1223000333123} is an apocalyptic number.

1223000333123 is a deficient number, since it is larger than the sum of its proper divisors (16438566877).

1223000333123 is a wasteful number, since it uses less digits than its factorization.

1223000333123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16694.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 1223000333123 its reverse (3213330003221), we get a palindrome (4436330336344).

The spelling of 1223000333123 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-three thousand, one hundred twenty-three".