2123303020 has 96 divisors (see below), whose sum is σ = 4706989056. Its totient is φ = 803712000.

The previous prime is 2123302999. The next prime is 2123303023. The reversal of 2123303020 is 203033212.

It is a super-2 number, since 2×2123303020² = 9016831429482240800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123302985 and 2123303003.

It is not an unprimeable number, because it can be changed into a prime (2123303023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5294820 + ... + 5295220.

It is an arithmetic number, because the mean of its divisors is an integer number (49031136).

Almost surely, 2^2123303020 is an apocalyptic number.

2123303020 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 2123303020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2353494528).

2123303020 is an abundant number, since it is smaller than the sum of its proper divisors (2583686036).

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

2123303020 is a wasteful number, since it uses less digits than its factorization.

2123303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2123303020 is about 46079.3122778541. The cubic root of 2123303020 is about 1285.2984756853.

Adding to 2123303020 its reverse (203033212), we get a palindrome (2326336232).

The spelling of 2123303020 in words is "two billion, one hundred twenty-three million, three hundred three thousand, twenty".