1233221220223 has 32 divisors (see below), whose sum is σ = 1362165590016. Its totient is φ = 1111747811328.

The previous prime is 1233221220221. The next prime is 1233221220269. The reversal of 1233221220223 is 3220221223321.

It is a cyclic number.

It is not a de Polignac number, because 1233221220223 - 2¹ = 1233221220221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233221220221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10865415 + ... + 10978327.

It is an arithmetic number, because the mean of its divisors is an integer number (42567674688).

Almost surely, 2^{1233221220223} is an apocalyptic number.

1233221220223 is a deficient number, since it is larger than the sum of its proper divisors (128944369793).

1233221220223 is a wasteful number, since it uses less digits than its factorization.

1233221220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113263.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1233221220223 its reverse (3220221223321), we get a palindrome (4453442443544).

The spelling of 1233221220223 in words is "one trillion, two hundred thirty-three billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty-three".