1230223243 has 2 divisors, whose sum is σ = 1230223244. Its totient is φ = 1230223242.

The previous prime is 1230223231. The next prime is 1230223259. The reversal of 1230223243 is 3423220321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230223243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230223283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615111621 + 615111622.

It is an arithmetic number, because the mean of its divisors is an integer number (615111622).

Almost surely, 2^1230223243 is an apocalyptic number.

1230223243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230223243 is an equidigital number, since it uses as much as digits as its factorization.

1230223243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1230223243 is about 35074.5383861285. The cubic root of 1230223243 is about 1071.5060873856.

Adding to 1230223243 its reverse (3423220321), we get a palindrome (4653443564).

The spelling of 1230223243 in words is "one billion, two hundred thirty million, two hundred twenty-three thousand, two hundred forty-three".