1200230443 has 2 divisors, whose sum is σ = 1200230444. Its totient is φ = 1200230442.

The previous prime is 1200230417. The next prime is 1200230461. The reversal of 1200230443 is 3440320021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200230443 - 2¹³ = 1200222251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200230443.

It is not a weakly prime, because it can be changed into another prime (1200230483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600115221 + 600115222.

It is an arithmetic number, because the mean of its divisors is an integer number (600115222).

Almost surely, 2^1200230443 is an apocalyptic number.

1200230443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200230443 is an equidigital number, since it uses as much as digits as its factorization.

1200230443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1200230443 is about 34644.3421499096. The cubic root of 1200230443 is about 1062.7265876701.

Adding to 1200230443 its reverse (3440320021), we get a palindrome (4640550464).

The spelling of 1200230443 in words is "one billion, two hundred million, two hundred thirty thousand, four hundred forty-three".