223021332243 has 12 divisors (see below), whose sum is σ = 333250266960. Its totient is φ = 143553960816.

The previous prime is 223021332241. The next prime is 223021332271. The reversal of 223021332243 is 342233120322.

223021332243 is a `hidden beast` number, since 2 + 2 + 302 + 1 + 332 + 24 + 3 = 666.

It is not a de Polignac number, because 223021332243 - 2¹ = 223021332241 is a prime.

It is a super-2 number, since 2×223021332243² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223021332241) 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 11 ways as a sum of consecutive naturals, for example, 427243671 + ... + 427244192.

It is an arithmetic number, because the mean of its divisors is an integer number (27770855580).

Almost surely, 2^223021332243 is an apocalyptic number.

223021332243 is a deficient number, since it is larger than the sum of its proper divisors (110228934717).

223021332243 is a wasteful number, since it uses less digits than its factorization.

223021332243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854487898 (or 854487895 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 223021332243 its reverse (342233120322), we get a palindrome (565254452565).

The spelling of 223021332243 in words is "two hundred twenty-three billion, twenty-one million, three hundred thirty-two thousand, two hundred forty-three".