223432234321 has 4 divisors (see below), whose sum is σ = 224911918144. Its totient is φ = 221952550500.

The previous prime is 223432234283. The next prime is 223432234411. The reversal of 223432234321 is 123432234322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223432234321 - 2²³ = 223423845713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223432235321) 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, 739841685 + ... + 739841986.

It is an arithmetic number, because the mean of its divisors is an integer number (56227979536).

Almost surely, 2^223432234321 is an apocalyptic number.

It is an amenable number.

223432234321 is a deficient number, since it is larger than the sum of its proper divisors (1479683823).

223432234321 is a wasteful number, since it uses less digits than its factorization.

223432234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479683822.

The product of its digits is 41472, while the sum is 31.

Adding to 223432234321 its reverse (123432234322), we get a palindrome (346864468643).

Subtracting from 223432234321 its reverse (123432234322), we obtain a palindrome (99999999999).

The spelling of 223432234321 in words is "two hundred twenty-three billion, four hundred thirty-two million, two hundred thirty-four thousand, three hundred twenty-one".