221333223023 has 4 divisors (see below), whose sum is σ = 241454425128. Its totient is φ = 201212020920.

The previous prime is 221333223011. The next prime is 221333223043. The reversal of 221333223023 is 320322333122.

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 221333223023 - 2¹⁴ = 221333206639 is a prime.

It is a super-2 number, since 2×221333223023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221333222983 and 221333223001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221333223043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10060601036 + ... + 10060601057.

It is an arithmetic number, because the mean of its divisors is an integer number (60363606282).

Almost surely, 2^221333223023 is an apocalyptic number.

221333223023 is a deficient number, since it is larger than the sum of its proper divisors (20121202105).

221333223023 is a wasteful number, since it uses less digits than its factorization.

221333223023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20121202104.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 221333223023 its reverse (320322333122), we get a palindrome (541655556145).

The spelling of 221333223023 in words is "two hundred twenty-one billion, three hundred thirty-three million, two hundred twenty-three thousand, twenty-three".