221342130313223 has 4 divisors (see below), whose sum is σ = 221342261109480. Its totient is φ = 221341999516968.

The previous prime is 221342130313193. The next prime is 221342130313327. The reversal of 221342130313223 is 322313031243122.

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 221342130313223 - 2¹⁴ = 221342130296839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221342130313223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221342130313823) 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, 62826008 + ... + 66255501.

It is an arithmetic number, because the mean of its divisors is an integer number (55335565277370).

Almost surely, 2^{221342130313223} is an apocalyptic number.

221342130313223 is a deficient number, since it is larger than the sum of its proper divisors (130796257).

221342130313223 is a wasteful number, since it uses less digits than its factorization.

221342130313223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130796256.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 221342130313223 its reverse (322313031243122), we get a palindrome (543655161556345).

The spelling of 221342130313223 in words is "two hundred twenty-one trillion, three hundred forty-two billion, one hundred thirty million, three hundred thirteen thousand, two hundred twenty-three".