1230043533 has 16 divisors (see below), whose sum is σ = 1689797376. Its totient is φ = 795468800.

The previous prime is 1230043511. The next prime is 1230043571. The reversal of 1230043533 is 3353400321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1230043533 - 2⁸ = 1230043277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230044533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22668 + ... + 54533.

It is an arithmetic number, because the mean of its divisors is an integer number (105612336).

Almost surely, 2^1230043533 is an apocalyptic number.

It is an amenable number.

1230043533 is a deficient number, since it is larger than the sum of its proper divisors (459753843).

1230043533 is a wasteful number, since it uses less digits than its factorization.

1230043533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77364.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 1230043533 is about 35071.9764626974. The cubic root of 1230043533 is about 1071.4539099354.

Adding to 1230043533 its reverse (3353400321), we get a palindrome (4583443854).

The spelling of 1230043533 in words is "one billion, two hundred thirty million, forty-three thousand, five hundred thirty-three".