212020203023 has 4 divisors (see below), whose sum is σ = 212048303880. Its totient is φ = 211992102168.

The previous prime is 212020203011. The next prime is 212020203047. The reversal of 212020203023 is 320302020212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212020203023 - 2⁸ = 212020202767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212020202992 and 212020203010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020203523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14039108 + ... + 14054201.

It is an arithmetic number, because the mean of its divisors is an integer number (53012075970).

Almost surely, 2^212020203023 is an apocalyptic number.

212020203023 is a deficient number, since it is larger than the sum of its proper divisors (28100857).

212020203023 is an equidigital number, since it uses as much as digits as its factorization.

212020203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28100856.

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

Adding to 212020203023 its reverse (320302020212), we get a palindrome (532322223235).

The spelling of 212020203023 in words is "two hundred twelve billion, twenty million, two hundred three thousand, twenty-three".