223439643679 has 8 divisors (see below), whose sum is σ = 255362485248. Its totient is φ = 191517525240.

The previous prime is 223439643677. The next prime is 223439643743. The reversal of 223439643679 is 976346934322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223439643679 - 2¹ = 223439643677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223439643677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968154 + ... + 1176520.

It is an arithmetic number, because the mean of its divisors is an integer number (31920310656).

Almost surely, 2^223439643679 is an apocalyptic number.

223439643679 is a deficient number, since it is larger than the sum of its proper divisors (31922841569).

223439643679 is a wasteful number, since it uses less digits than its factorization.

223439643679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361565.

The product of its digits is 35271936, while the sum is 58.

The spelling of 223439643679 in words is "two hundred twenty-three billion, four hundred thirty-nine million, six hundred forty-three thousand, six hundred seventy-nine".