143423412 has 48 divisors (see below), whose sum is σ = 373996224. Its totient is φ = 42400000.

The previous prime is 143423389. The next prime is 143423417. The reversal of 143423412 is 214324341.

143423412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143423417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7839 + ... + 18662.

It is an arithmetic number, because the mean of its divisors is an integer number (7791588).

Almost surely, 2^143423412 is an apocalyptic number.

143423412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143423412 is an abundant number, since it is smaller than the sum of its proper divisors (230572812).

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

143423412 is a wasteful number, since it uses less digits than its factorization.

143423412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26560 (or 26558 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 143423412 is about 11975.9514027070. The cubic root of 143423412 is about 523.4477652407.

Adding to 143423412 its reverse (214324341), we get a palindrome (357747753).

The spelling of 143423412 in words is "one hundred forty-three million, four hundred twenty-three thousand, four hundred twelve".