223412444689 has 4 divisors (see below), whose sum is σ = 255328508224. Its totient is φ = 191496381156.

The previous prime is 223412444677. The next prime is 223412444693. The reversal of 223412444689 is 986444214322.

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 223412444689 - 2⁵ = 223412444657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223412444659) 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, 15958031757 + ... + 15958031770.

It is an arithmetic number, because the mean of its divisors is an integer number (63832127056).

Almost surely, 2^223412444689 is an apocalyptic number.

It is an amenable number.

223412444689 is a deficient number, since it is larger than the sum of its proper divisors (31916063535).

223412444689 is an equidigital number, since it uses as much as digits as its factorization.

223412444689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31916063534.

The product of its digits is 2654208, while the sum is 49.

The spelling of 223412444689 in words is "two hundred twenty-three billion, four hundred twelve million, four hundred forty-four thousand, six hundred eighty-nine".