2021122323 has 24 divisors (see below), whose sum is σ = 3209895936. Its totient is φ = 1215270000.

The previous prime is 2021122319. The next prime is 2021122331. The reversal of 2021122323 is 3232211202.

It is not a de Polignac number, because 2021122323 - 2² = 2021122319 is a prime.

It is a super-3 number, since 3×2021122323³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021122296 and 2021122305.

It is not an unprimeable number, because it can be changed into a prime (2021122393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67803 + ... + 92948.

It is an arithmetic number, because the mean of its divisors is an integer number (133745664).

Almost surely, 2^2021122323 is an apocalyptic number.

2021122323 is a deficient number, since it is larger than the sum of its proper divisors (1188773613).

2021122323 is a wasteful number, since it uses less digits than its factorization.

2021122323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160895 (or 160892 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2021122323 is about 44956.8940541937. The cubic root of 2021122323 is about 1264.3409364041.

Adding to 2021122323 its reverse (3232211202), we get a palindrome (5253333525).

The spelling of 2021122323 in words is "two billion, twenty-one million, one hundred twenty-two thousand, three hundred twenty-three".