1223123302233 has 48 divisors (see below), whose sum is σ = 2023296537600. Its totient is φ = 697484759040.

The previous prime is 1223123302229. The next prime is 1223123302259. The reversal of 1223123302233 is 3322033213221.

1223123302233 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 123 + 302 + 233 = 666.

It is not a de Polignac number, because 1223123302233 - 2² = 1223123302229 is a prime.

It is a super-2 number, since 2×1223123302233² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1223123302197 and 1223123302206.

It is not an unprimeable number, because it can be changed into a prime (1223123302273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68981113 + ... + 68998841.

It is an arithmetic number, because the mean of its divisors is an integer number (42152011200).

Almost surely, 2^{1223123302233} is an apocalyptic number.

It is an amenable number.

1223123302233 is a deficient number, since it is larger than the sum of its proper divisors (800173235367).

1223123302233 is a wasteful number, since it uses less digits than its factorization.

1223123302233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19942 (or 19939 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1223123302233 its reverse (3322033213221), we get a palindrome (4545156515454).

The spelling of 1223123302233 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-three million, three hundred two thousand, two hundred thirty-three".