113223566 has 4 divisors (see below), whose sum is σ = 169835352. Its totient is φ = 56611782.

The previous prime is 113223559. The next prime is 113223571. The reversal of 113223566 is 665322311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 665322311 = 23 ⋅28927057.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28305890 + ... + 28305893.

It is an arithmetic number, because the mean of its divisors is an integer number (42458838).

Almost surely, 2^113223566 is an apocalyptic number.

113223566 is a deficient number, since it is larger than the sum of its proper divisors (56611786).

113223566 is an equidigital number, since it uses as much as digits as its factorization.

113223566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56611785.

The product of its digits is 6480, while the sum is 29.

The square root of 113223566 is about 10640.6562767529. The cubic root of 113223566 is about 483.7774373441. Note that the first 3 decimals are identical.

Adding to 113223566 its reverse (665322311), we get a palindrome (778545877).

The spelling of 113223566 in words is "one hundred thirteen million, two hundred twenty-three thousand, five hundred sixty-six".