1230513443320 has 128 divisors (see below), whose sum is σ = 3177872755200. Its totient is φ = 420066694656.

The previous prime is 1230513443311. The next prime is 1230513443321. The reversal of 1230513443320 is 233443150321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230513443321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113228527 + ... + 113239393.

It is an arithmetic number, because the mean of its divisors is an integer number (24827130900).

Almost surely, 2^{1230513443320} is an apocalyptic number.

1230513443320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230513443320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1588936377600).

1230513443320 is an abundant number, since it is smaller than the sum of its proper divisors (1947359311880).

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

1230513443320 is a wasteful number, since it uses less digits than its factorization.

1230513443320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12597 (or 12593 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 1230513443320 its reverse (233443150321), we get a palindrome (1463956593641).

The spelling of 1230513443320 in words is "one trillion, two hundred thirty billion, five hundred thirteen million, four hundred forty-three thousand, three hundred twenty".