1122020023 has 2 divisors, whose sum is σ = 1122020024. Its totient is φ = 1122020022.

The previous prime is 1122020021. The next prime is 1122020041. The reversal of 1122020023 is 3200202211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1122020023 - 2¹ = 1122020021 is a prime.

Together with 1122020021, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1122019985 and 1122020012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122020021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561010011 + 561010012.

It is an arithmetic number, because the mean of its divisors is an integer number (561010012).

Almost surely, 2^1122020023 is an apocalyptic number.

1122020023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122020023 is an equidigital number, since it uses as much as digits as its factorization.

1122020023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1122020023 is about 33496.5673315938. The cubic root of 1122020023 is about 1039.1227881018.

Adding to 1122020023 its reverse (3200202211), we get a palindrome (4322222234).

The spelling of 1122020023 in words is "one billion, one hundred twenty-two million, twenty thousand, twenty-three".