221232223011323 has 16 divisors (see below), whose sum is σ = 226345522628736. Its totient is φ = 216136167014400.

The previous prime is 221232223011307. The next prime is 221232223011377. The reversal of 221232223011323 is 323110322232122.

It is a cyclic number.

It is not a de Polignac number, because 221232223011323 - 2⁴ = 221232223011307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221232223011383) 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, 62462315 + ... + 65909067.

It is an arithmetic number, because the mean of its divisors is an integer number (14146595164296).

Almost surely, 2^{221232223011323} is an apocalyptic number.

221232223011323 is a deficient number, since it is larger than the sum of its proper divisors (5113299617413).

221232223011323 is a wasteful number, since it uses less digits than its factorization.

221232223011323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449254.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 221232223011323 its reverse (323110322232122), we get a palindrome (544342545243445).

The spelling of 221232223011323 in words is "two hundred twenty-one trillion, two hundred thirty-two billion, two hundred twenty-three million, eleven thousand, three hundred twenty-three".