1230340544 has 28 divisors (see below), whose sum is σ = 2525649000. Its totient is φ = 593956608.

The previous prime is 1230340523. The next prime is 1230340547. The reversal of 1230340544 is 4450430321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230340547) 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, 329594 + ... + 333305.

It is an arithmetic number, because the mean of its divisors is an integer number (90201750).

Almost surely, 2^1230340544 is an apocalyptic number.

It is an amenable number.

1230340544 is an abundant number, since it is smaller than the sum of its proper divisors (1295308456).

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

1230340544 is an equidigital number, since it uses as much as digits as its factorization.

1230340544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662940 (or 662930 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1230340544 is about 35076.2105136801. The cubic root of 1230340544 is about 1071.5401421101.

Adding to 1230340544 its reverse (4450430321), we get a palindrome (5680770865).

The spelling of 1230340544 in words is "one billion, two hundred thirty million, three hundred forty thousand, five hundred forty-four".