113223623 has 2 divisors, whose sum is σ = 113223624. Its totient is φ = 113223622.

The previous prime is 113223619. The next prime is 113223647. The reversal of 113223623 is 326322311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113223623 - 2² = 113223619 is a prime.

It is a super-2 number, since 2×113223623² = 25639177610492258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113223613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611811 + 56611812.

It is an arithmetic number, because the mean of its divisors is an integer number (56611812).

Almost surely, 2^113223623 is an apocalyptic number.

113223623 is a deficient number, since it is larger than the sum of its proper divisors (1).

113223623 is an equidigital number, since it uses as much as digits as its factorization.

113223623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 23.

The square root of 113223623 is about 10640.6589551587. The cubic root of 113223623 is about 483.7775185266. Note that the first 3 decimals are identical.

Adding to 113223623 its reverse (326322311), we get a palindrome (439545934).

The spelling of 113223623 in words is "one hundred thirteen million, two hundred twenty-three thousand, six hundred twenty-three".