2020203123 has 8 divisors (see below), whose sum is σ = 2693939136. Its totient is φ = 1346634600.

The previous prime is 2020203103. The next prime is 2020203131. The reversal of 2020203123 is 3213020202.

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

It is not a de Polignac number, because 2020203123 - 2²⁹ = 1483332211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2020203103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10333 + ... + 64398.

It is an arithmetic number, because the mean of its divisors is an integer number (336742392).

Almost surely, 2^2020203123 is an apocalyptic number.

2020203123 is a deficient number, since it is larger than the sum of its proper divisors (673736013).

2020203123 is an equidigital number, since it uses as much as digits as its factorization.

2020203123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83745.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2020203123 is about 44946.6697654009. The cubic root of 2020203123 is about 1264.1492345947.

Adding to 2020203123 its reverse (3213020202), we get a palindrome (5233223325).

The spelling of 2020203123 in words is "two billion, twenty million, two hundred three thousand, one hundred twenty-three".