223689326893 has 4 divisors (see below), whose sum is σ = 226520837440. Its totient is φ = 220857816348.

The previous prime is 223689326869. The next prime is 223689326947. The reversal of 223689326893 is 398623986322.

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, and also an emirpimes, since its reverse is a distinct semiprime: 398623986322 = 2 ⋅199311993161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223689326893 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 (223689326843) 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, 1415755155 + ... + 1415755312.

It is an arithmetic number, because the mean of its divisors is an integer number (56630209360).

Almost surely, 2^223689326893 is an apocalyptic number.

It is an amenable number.

223689326893 is a deficient number, since it is larger than the sum of its proper divisors (2831510547).

223689326893 is an equidigital number, since it uses as much as digits as its factorization.

223689326893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831510546.

The product of its digits is 40310784, while the sum is 61.

The spelling of 223689326893 in words is "two hundred twenty-three billion, six hundred eighty-nine million, three hundred twenty-six thousand, eight hundred ninety-three".