1230305352 has 32 divisors (see below), whose sum is σ = 3158894400. Its totient is φ = 399017664.

The previous prime is 1230305311. The next prime is 1230305353. The reversal of 1230305352 is 2535030321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1230305353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691852 + ... + 693627.

It is an arithmetic number, because the mean of its divisors is an integer number (98715450).

Almost surely, 2^1230305352 is an apocalyptic number.

1230305352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230305352 is an abundant number, since it is smaller than the sum of its proper divisors (1928589048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1230305352 is a wasteful number, since it uses less digits than its factorization.

1230305352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385525 (or 1385521 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 1230305352 is about 35075.7088595512. The cubic root of 1230305352 is about 1071.5299254265.

Adding to 1230305352 its reverse (2535030321), we get a palindrome (3765335673).

The spelling of 1230305352 in words is "one billion, two hundred thirty million, three hundred five thousand, three hundred fifty-two".