202020230123 has 8 divisors (see below), whose sum is σ = 205478694960. Its totient is φ = 198562911840.

The previous prime is 202020230101. The next prime is 202020230161. The reversal of 202020230123 is 321032020202.

202020230123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202020230123 - 2¹⁴ = 202020213739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202020230183) 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 7 ways as a sum of consecutive naturals, for example, 72593 + ... + 639773.

It is an arithmetic number, because the mean of its divisors is an integer number (25684836870).

Almost surely, 2^202020230123 is an apocalyptic number.

202020230123 is a deficient number, since it is larger than the sum of its proper divisors (3458464837).

202020230123 is an equidigital number, since it uses as much as digits as its factorization.

202020230123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573277.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 202020230123 its reverse (321032020202), we get a palindrome (523052250325).

The spelling of 202020230123 in words is "two hundred two billion, twenty million, two hundred thirty thousand, one hundred twenty-three".