2020000123 has 2 divisors, whose sum is σ = 2020000124. Its totient is φ = 2020000122.

The previous prime is 2020000117. The next prime is 2020000127. The reversal of 2020000123 is 3210000202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020000123 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020000127) 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 as a sum of consecutive naturals, namely, 1010000061 + 1010000062.

It is an arithmetic number, because the mean of its divisors is an integer number (1010000062).

Almost surely, 2^2020000123 is an apocalyptic number.

2020000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020000123 is an equidigital number, since it uses as much as digits as its factorization.

2020000123 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 10.

The square root of 2020000123 is about 44944.4114768455. The cubic root of 2020000123 is about 1264.1068905209.

Adding to 2020000123 its reverse (3210000202), we get a palindrome (5230000325).

The spelling of 2020000123 in words is "two billion, twenty million, one hundred twenty-three", and thus it is an aban number.