1230342203 has 2 divisors, whose sum is σ = 1230342204. Its totient is φ = 1230342202.

The previous prime is 1230342199. The next prime is 1230342233. The reversal of 1230342203 is 3022430321.

It is a weak prime.

It is an emirp because it is prime and its reverse (3022430321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1230342203 - 2² = 1230342199 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230342233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615171101 + 615171102.

It is an arithmetic number, because the mean of its divisors is an integer number (615171102).

Almost surely, 2^1230342203 is an apocalyptic number.

1230342203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230342203 is an equidigital number, since it uses as much as digits as its factorization.

1230342203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1230342203 is about 35076.2341621788. The cubic root of 1230342203 is about 1071.5406237340.

Adding to 1230342203 its reverse (3022430321), we get a palindrome (4252772524).

The spelling of 1230342203 in words is "one billion, two hundred thirty million, three hundred forty-two thousand, two hundred three".