223455793 has 4 divisors (see below), whose sum is σ = 243769968. Its totient is φ = 203141620.

The previous prime is 223455779. The next prime is 223455797. The reversal of 223455793 is 397554322.

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 de Polignac number, because none of the positive numbers 2^k-223455793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223455797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10157071 + ... + 10157092.

It is an arithmetic number, because the mean of its divisors is an integer number (60942492).

Almost surely, 2^223455793 is an apocalyptic number.

It is an amenable number.

223455793 is a deficient number, since it is larger than the sum of its proper divisors (20314175).

223455793 is a wasteful number, since it uses less digits than its factorization.

223455793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20314174.

The product of its digits is 226800, while the sum is 40.

The square root of 223455793 is about 14948.4378113567. The cubic root of 223455793 is about 606.8255702508.

The spelling of 223455793 in words is "two hundred twenty-three million, four hundred fifty-five thousand, seven hundred ninety-three".