1233423032321 has 2 divisors, whose sum is σ = 1233423032322. Its totient is φ = 1233423032320.

The previous prime is 1233423032297. The next prime is 1233423032333. The reversal of 1233423032321 is 1232303243321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1121173911025 + 112249121296 = 1058855^2 + 335036^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233423032321 - 2³⁴ = 1216243163137 is a prime.

It is a super-2 number, since 2×1233423032321² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1233423032341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616711516160 + 616711516161.

It is an arithmetic number, because the mean of its divisors is an integer number (616711516161).

Almost surely, 2^{1233423032321} is an apocalyptic number.

It is an amenable number.

1233423032321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233423032321 is an equidigital number, since it uses as much as digits as its factorization.

1233423032321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 1233423032321 its reverse (1232303243321), we get a palindrome (2465726275642).

The spelling of 1233423032321 in words is "one trillion, two hundred thirty-three billion, four hundred twenty-three million, thirty-two thousand, three hundred twenty-one".