1223333331023 has 2 divisors, whose sum is σ = 1223333331024. Its totient is φ = 1223333331022.

The previous prime is 1223333330987. The next prime is 1223333331041. The reversal of 1223333331023 is 3201333333221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223333331023 - 2⁸ = 1223333330767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223333331053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611666665511 + 611666665512.

It is an arithmetic number, because the mean of its divisors is an integer number (611666665512).

Almost surely, 2^{1223333331023} is an apocalyptic number.

1223333331023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223333331023 is an equidigital number, since it uses as much as digits as its factorization.

1223333331023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 1223333331023 its reverse (3201333333221), we get a palindrome (4424666664244).

The spelling of 1223333331023 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-three million, three hundred thirty-one thousand, twenty-three".