1230512233 has 4 divisors (see below), whose sum is σ = 1270206208. Its totient is φ = 1190818260.

The previous prime is 1230512197. The next prime is 1230512249. The reversal of 1230512233 is 3322150321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230512233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230512273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19846941 + ... + 19847002.

It is an arithmetic number, because the mean of its divisors is an integer number (317551552).

Almost surely, 2^1230512233 is an apocalyptic number.

It is an amenable number.

1230512233 is a deficient number, since it is larger than the sum of its proper divisors (39693975).

1230512233 is an equidigital number, since it uses as much as digits as its factorization.

1230512233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39693974.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1230512233 is about 35078.6577992944. The cubic root of 1230512233 is about 1071.5899828092.

Adding to 1230512233 its reverse (3322150321), we get a palindrome (4552662554).

The spelling of 1230512233 in words is "one billion, two hundred thirty million, five hundred twelve thousand, two hundred thirty-three".