143423244320 has 24 divisors (see below), whose sum is σ = 338837415084. Its totient is φ = 57369297664.

The previous prime is 143423244301. The next prime is 143423244353. The reversal of 143423244320 is 23442324341.

It can be written as a sum of positive squares in 2 ways, for example, as 120967622416 + 22455621904 = 347804^2 + 149852^2 .

It is a super-2 number, since 2×143423244320² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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, 448197479 + ... + 448197798.

Almost surely, 2^143423244320 is an apocalyptic number.

143423244320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143423244320 is an abundant number, since it is smaller than the sum of its proper divisors (195414170764).

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

143423244320 is an equidigital number, since it uses as much as digits as its factorization.

143423244320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896395292 (or 896395284 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 143423244320 its reverse (23442324341), we get a palindrome (166865568661).

The spelling of 143423244320 in words is "one hundred forty-three billion, four hundred twenty-three million, two hundred forty-four thousand, three hundred twenty".