1230033243 has 4 divisors (see below), whose sum is σ = 1640044328. Its totient is φ = 820022160.

The previous prime is 1230033209. The next prime is 1230033257. The reversal of 1230033243 is 3423300321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1230033243 - 2⁶ = 1230033179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230033043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205005538 + ... + 205005543.

It is an arithmetic number, because the mean of its divisors is an integer number (410011082).

Almost surely, 2^1230033243 is an apocalyptic number.

1230033243 is a deficient number, since it is larger than the sum of its proper divisors (410011085).

1230033243 is an equidigital number, since it uses as much as digits as its factorization.

1230033243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410011084.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1230033243 is about 35071.8297640713. The cubic root of 1230033243 is about 1071.4509221572.

Adding to 1230033243 its reverse (3423300321), we get a palindrome (4653333564).

The spelling of 1230033243 in words is "one billion, two hundred thirty million, thirty-three thousand, two hundred forty-three".