20200323211223 has 4 divisors (see below), whose sum is σ = 20200338979320. Its totient is φ = 20200307443128.

The previous prime is 20200323211213. The next prime is 20200323211247. The reversal of 20200323211223 is 32211232300202.

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 20200323211223 - 2³⁸ = 19925445304279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200323211213) 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, 5774213 + ... + 8587326.

It is an arithmetic number, because the mean of its divisors is an integer number (5050084744830).

Almost surely, 2^{20200323211223} is an apocalyptic number.

20200323211223 is a deficient number, since it is larger than the sum of its proper divisors (15768097).

20200323211223 is a wasteful number, since it uses less digits than its factorization.

20200323211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15768096.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20200323211223 its reverse (32211232300202), we get a palindrome (52411555511425).

The spelling of 20200323211223 in words is "twenty trillion, two hundred billion, three hundred twenty-three million, two hundred eleven thousand, two hundred twenty-three".