1304243223530 has 128 divisors (see below), whose sum is σ = 2710238952960. Its totient is φ = 448106250240.

The previous prime is 1304243223529. The next prime is 1304243223589. The reversal of 1304243223530 is 353223424031.

It is a super-2 number, since 2×1304243223530² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43259201 + ... + 43289339.

It is an arithmetic number, because the mean of its divisors is an integer number (21173741820).

Almost surely, 2^{1304243223530} is an apocalyptic number.

1304243223530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304243223530 is an abundant number, since it is smaller than the sum of its proper divisors (1405995729430).

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

1304243223530 is a wasteful number, since it uses less digits than its factorization.

1304243223530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30576.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 1304243223530 its reverse (353223424031), we get a palindrome (1657466647561).

The spelling of 1304243223530 in words is "one trillion, three hundred four billion, two hundred forty-three million, two hundred twenty-three thousand, five hundred thirty".