113223619 has 2 divisors, whose sum is σ = 113223620. Its totient is φ = 113223618.

The previous prime is 113223613. The next prime is 113223623. The reversal of 113223619 is 916322311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113223619 - 2⁷ = 113223491 is a prime.

It is a super-2 number, since 2×113223619² = 25639175798914322, which contains 22 as substring.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56611809 + 56611810.

It is an arithmetic number, because the mean of its divisors is an integer number (56611810).

Almost surely, 2^113223619 is an apocalyptic number.

113223619 is a deficient number, since it is larger than the sum of its proper divisors (1).

113223619 is an equidigital number, since it uses as much as digits as its factorization.

113223619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 113223619 is about 10640.6587672005. The cubic root of 113223619 is about 483.7775128296. Note that the first 3 decimals are identical.

It can be divided in two parts, 11322 and 3619, that added together give a palindrome (14941).

The spelling of 113223619 in words is "one hundred thirteen million, two hundred twenty-three thousand, six hundred nineteen".