1123022023 has 4 divisors (see below), whose sum is σ = 1189082160. Its totient is φ = 1056961888.

The previous prime is 1123022003. The next prime is 1123022063. The reversal of 1123022023 is 3202203211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3202203211 = 19541 ⋅163871.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123022023 is a prime.

It is a super-2 number, since 2×1123022023² = 2522356928286025058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123021988 and 1123022006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123022003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33030043 + ... + 33030076.

It is an arithmetic number, because the mean of its divisors is an integer number (297270540).

Almost surely, 2^1123022023 is an apocalyptic number.

1123022023 is a deficient number, since it is larger than the sum of its proper divisors (66060137).

1123022023 is an equidigital number, since it uses as much as digits as its factorization.

1123022023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66060136.

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

The square root of 1123022023 is about 33511.5207503330. The cubic root of 1123022023 is about 1039.4320194358.

Adding to 1123022023 its reverse (3202203211), we get a palindrome (4325225234).

The spelling of 1123022023 in words is "one billion, one hundred twenty-three million, twenty-two thousand, twenty-three".