321023233133 has 16 divisors (see below), whose sum is σ = 328553137920. Its totient is φ = 313568798400.

The previous prime is 321023233129. The next prime is 321023233147. The reversal of 321023233133 is 331332320123.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 321023233133 - 2² = 321023233129 is a prime.

It is a super-2 number, since 2×321023233133² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321023293133) 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 15 ways as a sum of consecutive naturals, for example, 18484508 + ... + 18501866.

It is an arithmetic number, because the mean of its divisors is an integer number (20534571120).

Almost surely, 2^321023233133 is an apocalyptic number.

It is an amenable number.

321023233133 is a deficient number, since it is larger than the sum of its proper divisors (7529904787).

321023233133 is a wasteful number, since it uses less digits than its factorization.

321023233133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19508.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 321023233133 its reverse (331332320123), we get a palindrome (652355553256).

The spelling of 321023233133 in words is "three hundred twenty-one billion, twenty-three million, two hundred thirty-three thousand, one hundred thirty-three".