143423120 has 20 divisors (see below), whose sum is σ = 333458940. Its totient is φ = 57369216.

The previous prime is 143423117. The next prime is 143423167. The reversal of 143423120 is 21324341.

It can be written as a sum of positive squares in 2 ways, for example, as 46676224 + 96746896 = 6832^2 + 9836^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 143423092 and 143423101.

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, 896315 + ... + 896474.

It is an arithmetic number, because the mean of its divisors is an integer number (16672947).

Almost surely, 2^143423120 is an apocalyptic number.

143423120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143423120 is an abundant number, since it is smaller than the sum of its proper divisors (190035820).

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

143423120 is a wasteful number, since it uses less digits than its factorization.

143423120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792802 (or 1792796 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143423120 is about 11975.9392116026. The cubic root of 143423120 is about 523.4474100062.

Adding to 143423120 its reverse (21324341), we get a palindrome (164747461).

The spelling of 143423120 in words is "one hundred forty-three million, four hundred twenty-three thousand, one hundred twenty".