1120020023 has 2 divisors, whose sum is σ = 1120020024. Its totient is φ = 1120020022.

The previous prime is 1120019977. The next prime is 1120020059. The reversal of 1120020023 is 3200200211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1120020023 - 2⁸ = 1120019767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120019986 and 1120020013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120020523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560010011 + 560010012.

It is an arithmetic number, because the mean of its divisors is an integer number (560010012).

Almost surely, 2^1120020023 is an apocalyptic number.

1120020023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120020023 is an equidigital number, since it uses as much as digits as its factorization.

1120020023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1120020023 is about 33466.7002108066. The cubic root of 1120020023 is about 1038.5050089827.

Adding to 1120020023 its reverse (3200200211), we get a palindrome (4320220234).

The spelling of 1120020023 in words is "one billion, one hundred twenty million, twenty thousand, twenty-three".