223396349 has 4 divisors (see below), whose sum is σ = 243705120. Its totient is φ = 203087580.

The previous prime is 223396339. The next prime is 223396363. The reversal of 223396349 is 943693322.

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 223396349 - 2⁴ = 223396333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223396339) 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, 10154369 + ... + 10154390.

It is an arithmetic number, because the mean of its divisors is an integer number (60926280).

Almost surely, 2^223396349 is an apocalyptic number.

It is an amenable number.

223396349 is a deficient number, since it is larger than the sum of its proper divisors (20308771).

223396349 is a wasteful number, since it uses less digits than its factorization.

223396349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20308770.

The product of its digits is 209952, while the sum is 41.

The square root of 223396349 is about 14946.4493776950. The cubic root of 223396349 is about 606.7717559701.

The spelling of 223396349 in words is "two hundred twenty-three million, three hundred ninety-six thousand, three hundred forty-nine".