621331223233 has 8 divisors (see below), whose sum is σ = 726606613568. Its totient is φ = 520184279664.

The previous prime is 621331223221. The next prime is 621331223273. The reversal of 621331223233 is 332322133126.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-621331223233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 621331223195 and 621331223204.

It is not an unprimeable number, because it can be changed into a prime (621331223273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032111366 + ... + 1032111967.

It is an arithmetic number, because the mean of its divisors is an integer number (90825826696).

Almost surely, 2^621331223233 is an apocalyptic number.

It is an amenable number.

621331223233 is a deficient number, since it is larger than the sum of its proper divisors (105275390335).

621331223233 is a wasteful number, since it uses less digits than its factorization.

621331223233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064223383.

The product of its digits is 23328, while the sum is 31.

Adding to 621331223233 its reverse (332322133126), we get a palindrome (953653356359).

The spelling of 621331223233 in words is "six hundred twenty-one billion, three hundred thirty-one million, two hundred twenty-three thousand, two hundred thirty-three".