223797117 has 4 divisors (see below), whose sum is σ = 298396160. Its totient is φ = 149198076.

The previous prime is 223797109. The next prime is 223797121. The reversal of 223797117 is 711797322.

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 not a de Polignac number, because 223797117 - 2³ = 223797109 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 (223797137) 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, 37299517 + ... + 37299522.

It is an arithmetic number, because the mean of its divisors is an integer number (74599040).

Almost surely, 2^223797117 is an apocalyptic number.

It is an amenable number.

223797117 is a deficient number, since it is larger than the sum of its proper divisors (74599043).

223797117 is an equidigital number, since it uses as much as digits as its factorization.

223797117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74599042.

The product of its digits is 37044, while the sum is 39.

The square root of 223797117 is about 14959.8501663620. The cubic root of 223797117 is about 607.1343841454.

The spelling of 223797117 in words is "two hundred twenty-three million, seven hundred ninety-seven thousand, one hundred seventeen".