1230404233 has 4 divisors (see below), whose sum is σ = 1231029828. Its totient is φ = 1229778640.

The previous prime is 1230404213. The next prime is 1230404239. The reversal of 1230404233 is 3324040321.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 775733904 + 454670329 = 27852^2 + 21323^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230404233 - 2⁹ = 1230403721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230404239) 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, 309838 + ... + 313783.

It is an arithmetic number, because the mean of its divisors is an integer number (307757457).

Almost surely, 2^1230404233 is an apocalyptic number.

It is an amenable number.

1230404233 is a deficient number, since it is larger than the sum of its proper divisors (625595).

1230404233 is an equidigital number, since it uses as much as digits as its factorization.

1230404233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625594.

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

The square root of 1230404233 is about 35077.1183679618. The cubic root of 1230404233 is about 1071.5586313387.

Adding to 1230404233 its reverse (3324040321), we get a palindrome (4554444554).

The spelling of 1230404233 in words is "one billion, two hundred thirty million, four hundred four thousand, two hundred thirty-three".