221200214232423 has 16 divisors (see below), whose sum is σ = 314913955150080. Its totient is φ = 137774855374464.

The previous prime is 221200214232397. The next prime is 221200214232433. The reversal of 221200214232423 is 324232412002122.

It is not a de Polignac number, because 221200214232423 - 2⁹ = 221200214231911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221200214232433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37276743618 + ... + 37276749551.

It is an arithmetic number, because the mean of its divisors is an integer number (19682122196880).

Almost surely, 2^{221200214232423} is an apocalyptic number.

221200214232423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

221200214232423 is a deficient number, since it is larger than the sum of its proper divisors (93713740917657).

221200214232423 is a wasteful number, since it uses less digits than its factorization.

221200214232423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74553493238.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 221200214232423 its reverse (324232412002122), we get a palindrome (545432626234545).

The spelling of 221200214232423 in words is "two hundred twenty-one trillion, two hundred billion, two hundred fourteen million, two hundred thirty-two thousand, four hundred twenty-three".