223031424321 has 16 divisors (see below), whose sum is σ = 339347113600. Its totient is φ = 144669031344.

The previous prime is 223031424283. The next prime is 223031424383. The reversal of 223031424321 is 123424130322.

223031424321 is a `hidden beast` number, since 2 + 2 + 3 + 0 + 314 + 24 + 321 = 666.

It is not a de Polignac number, because 223031424321 - 2¹⁵ = 223031391553 is a prime.

It is a super-2 number, since 2×223031424321² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223031424221) 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, 111626341 + ... + 111628338.

It is an arithmetic number, because the mean of its divisors is an integer number (21209194600).

Almost surely, 2^223031424321 is an apocalyptic number.

It is an amenable number.

223031424321 is a deficient number, since it is larger than the sum of its proper divisors (116315689279).

223031424321 is a wasteful number, since it uses less digits than its factorization.

223031424321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223254725 (or 223254719 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 223031424321 its reverse (123424130322), we get a palindrome (346455554643).

The spelling of 223031424321 in words is "two hundred twenty-three billion, thirty-one million, four hundred twenty-four thousand, three hundred twenty-one".