323212233203320 has 64 divisors (see below), whose sum is σ = 735934246056000. Its totient is φ = 127739147762688.

The previous prime is 323212233203311. The next prime is 323212233203329. The reversal of 323212233203320 is 23302332212323.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (323212233203311) and next prime (323212233203329).

It is a super-2 number, since 2×323212233203320² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323212233203329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28174740 + ... + 37950499.

It is an arithmetic number, because the mean of its divisors is an integer number (11498972594625).

Almost surely, 2^{323212233203320} is an apocalyptic number.

It is an amenable number.

323212233203320 is an abundant number, since it is smaller than the sum of its proper divisors (412722012852680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323212233203320 is a wasteful number, since it uses less digits than its factorization.

323212233203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66126712 (or 66126708 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 31.

Adding to 323212233203320 its reverse (23302332212323), we get a palindrome (346514565415643).

The spelling of 323212233203320 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred thirty-three million, two hundred three thousand, three hundred twenty".