2323321020 has 144 divisors (see below), whose sum is σ = 7278398400. Its totient is φ = 599436288.

The previous prime is 2323320953. The next prime is 2323321037. The reversal of 2323321020 is 201233232.

It is a happy number.

2323321020 is a `hidden beast` number, since 2 + 323 + 321 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2323320984 and 2323321002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1324464 + ... + 1326216.

Almost surely, 2^2323321020 is an apocalyptic number.

2323321020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2323321020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3639199200).

2323321020 is an abundant number, since it is smaller than the sum of its proper divisors (4955077380).

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

2323321020 is a wasteful number, since it uses less digits than its factorization.

2323321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2323321020 is about 48200.8404491042. The cubic root of 2323321020 is about 1324.4525603694.

Adding to 2323321020 its reverse (201233232), we get a palindrome (2524554252).

It can be divided in two parts, 23233 and 21020, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 2323321020 in words is "two billion, three hundred twenty-three million, three hundred twenty-one thousand, twenty".