1443420113 has 2 divisors, whose sum is σ = 1443420114. Its totient is φ = 1443420112.

The previous prime is 1443420089. The next prime is 1443420119. The reversal of 1443420113 is 3110243441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1135487809 + 307932304 = 33697^2 + 17548^2 .

It is a cyclic number.

It is not a de Polignac number, because 1443420113 - 2²⁴ = 1426642897 is a prime.

It is a super-2 number, since 2×1443420113² = 4166923245225865538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1443420119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721710056 + 721710057.

It is an arithmetic number, because the mean of its divisors is an integer number (721710057).

Almost surely, 2^1443420113 is an apocalyptic number.

It is an amenable number.

1443420113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443420113 is an equidigital number, since it uses as much as digits as its factorization.

1443420113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1443420113 is about 37992.3691417105. The cubic root of 1443420113 is about 1130.1365415709.

Adding to 1443420113 its reverse (3110243441), we get a palindrome (4553663554).

The spelling of 1443420113 in words is "one billion, four hundred forty-three million, four hundred twenty thousand, one hundred thirteen".