2022123 has 6 divisors (see below), whose sum is σ = 2699452. Its totient is φ = 1346440.

The previous prime is 2022103. The next prime is 2022149. The reversal of 2022123 is 3212202.

It is not a de Polignac number, because 2022123 - 2¹⁰ = 2021099 is a prime.

It is a Duffinian number.

2022123 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2022099 and 2022108.

It is not an unprimeable number, because it can be changed into a prime (2022103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2053 + ... + 2873.

2^2022123 is an apocalyptic number.

2022123 is a deficient number, since it is larger than the sum of its proper divisors (677329).

2022123 is an frugal number, since it uses more digits than its factorization.

2022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2022123 is about 1422.0137130140. The cubic root of 2022123 is about 126.4549564408.

Multiplying 2022123 by its sum of digits (12), we get a square (24265476 = 4926²).

Multiplying 2022123 by its product of nonzero digits (48), we get a square (97061904 = 9852²).

Adding to 2022123 its reverse (3212202), we get a palindrome (5234325).

It can be divided in two parts, 2022 and 123, that added together give a triangular number (2145 = T₆₅).

The spelling of 2022123 in words is "two million, twenty-two thousand, one hundred twenty-three".