1243484223530 has 16 divisors (see below), whose sum is σ = 2241325192104. Its totient is φ = 496715113920.

The previous prime is 1243484223491. The next prime is 1243484223571. The reversal of 1243484223530 is 353224843421.

It can be written as a sum of positive squares in 4 ways, for example, as 1165555592881 + 77928630649 = 1079609^2 + 279157^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84814241 + ... + 84828900.

Almost surely, 2^{1243484223530} is an apocalyptic number.

1243484223530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243484223530 is a deficient number, since it is larger than the sum of its proper divisors (997840968574).

1243484223530 is a wasteful number, since it uses less digits than its factorization.

1243484223530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169643881.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 1243484223530 in words is "one trillion, two hundred forty-three billion, four hundred eighty-four million, two hundred twenty-three thousand, five hundred thirty".