323233012140220 has 192 divisors, whose sum is σ = 855842774766336. Its totient is φ = 99798960660480.

The previous prime is 323233012140163. The next prime is 323233012140251. The reversal of 323233012140220 is 22041210332323.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2355908662 + ... + 2356045858.

It is an arithmetic number, because the mean of its divisors is an integer number (4457514451908).

Almost surely, 2^{323233012140220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323233012140220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427921387383168).

323233012140220 is an abundant number, since it is smaller than the sum of its proper divisors (532609762626116).

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

323233012140220 is a wasteful number, since it uses less digits than its factorization.

323233012140220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168840 (or 168838 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 323233012140220 its reverse (22041210332323), we get a palindrome (345274222472543).

The spelling of 323233012140220 in words is "three hundred twenty-three trillion, two hundred thirty-three billion, twelve million, one hundred forty thousand, two hundred twenty".