213232022100023 has 4 divisors (see below), whose sum is σ = 213248692585968. Its totient is φ = 213215351614080.

The previous prime is 213232022100011. The next prime is 213232022100047. The reversal of 213232022100023 is 320001220232312.

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 213232022100023 - 2²⁰ = 213232021051447 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 (213232022106023) 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, 8335223786 + ... + 8335249367.

It is an arithmetic number, because the mean of its divisors is an integer number (53312173146492).

Almost surely, 2^{213232022100023} is an apocalyptic number.

213232022100023 is a deficient number, since it is larger than the sum of its proper divisors (16670485945).

213232022100023 is a wasteful number, since it uses less digits than its factorization.

213232022100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16670485944.

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

Adding to 213232022100023 its reverse (320001220232312), we get a palindrome (533233242332335).

The spelling of 213232022100023 in words is "two hundred thirteen trillion, two hundred thirty-two billion, twenty-two million, one hundred thousand, twenty-three".