143423023430340 has 36 divisors (see below), whose sum is σ = 435049837739244. Its totient is φ = 38246139581376.

The previous prime is 143423023430299. The next prime is 143423023430341. The reversal of 143423023430340 is 43034320324341.

143423023430340 is a `hidden beast` number, since 1 + 4 + 3 + 4 + 2 + 302 + 3 + 4 + 3 + 0 + 340 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32425462480896 + 110997560949444 = 5694336^2 + 10535538^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 143423023430295 and 143423023430304.

It is not an unprimeable number, because it can be changed into a prime (143423023430341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 398397287127 + ... + 398397287486.

It is an arithmetic number, because the mean of its divisors is an integer number (12084717714979).

Almost surely, 2^{143423023430340} is an apocalyptic number.

143423023430340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143423023430340 is an abundant number, since it is smaller than the sum of its proper divisors (291626814308904).

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

143423023430340 is a wasteful number, since it uses less digits than its factorization.

143423023430340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796794574628 (or 796794574623 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 143423023430340 its reverse (43034320324341), we get a palindrome (186457343754681).

The spelling of 143423023430340 in words is "one hundred forty-three trillion, four hundred twenty-three billion, twenty-three million, four hundred thirty thousand, three hundred forty".