2321123020 has 24 divisors (see below), whose sum is σ = 4875799824. Its totient is φ = 928174656.

The previous prime is 2321122963. The next prime is 2321123027. The reversal of 2321123020 is 203211232.

It is a super-2 number, since 2×2321123020² = 10775224147947840800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2321122985 and 2321123003.

It is not an unprimeable number, because it can be changed into a prime (2321123027) 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, 60802 + ... + 91318.

It is an arithmetic number, because the mean of its divisors is an integer number (203158326).

Almost surely, 2^2321123020 is an apocalyptic number.

2321123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2321123020 is an abundant number, since it is smaller than the sum of its proper divisors (2554676804).

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

2321123020 is a wasteful number, since it uses less digits than its factorization.

2321123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34329 (or 34327 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2321123020 is about 48178.0346215991. The cubic root of 2321123020 is about 1324.0347582628.

Adding to 2321123020 its reverse (203211232), we get a palindrome (2524334252).

The spelling of 2321123020 in words is "two billion, three hundred twenty-one million, one hundred twenty-three thousand, twenty".