1223233021323 has 6 divisors (see below), whose sum is σ = 1766892141924. Its totient is φ = 815488680876.

The previous prime is 1223233021303. The next prime is 1223233021379. The reversal of 1223233021323 is 3231203323221.

1223233021323 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 2 + 330 + 2 + 1 + 323 = 666.

It is not a de Polignac number, because 1223233021323 - 2⁶ = 1223233021259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223233021303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67957390065 + ... + 67957390082.

It is an arithmetic number, because the mean of its divisors is an integer number (294482023654).

Almost surely, 2^{1223233021323} is an apocalyptic number.

1223233021323 is a deficient number, since it is larger than the sum of its proper divisors (543659120601).

1223233021323 is a wasteful number, since it uses less digits than its factorization.

1223233021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135914780153 (or 135914780150 counting only the distinct ones).

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

Adding to 1223233021323 its reverse (3231203323221), we get a palindrome (4454436344544).

The spelling of 1223233021323 in words is "one trillion, two hundred twenty-three billion, two hundred thirty-three million, twenty-one thousand, three hundred twenty-three".