143123412 has 24 divisors (see below), whose sum is σ = 336587776. Its totient is φ = 47331648.

The previous prime is 143123401. The next prime is 143123417. The reversal of 143123412 is 214321341.

143123412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×143123412² = 40968622125043488, which contains 22 as substring.

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 (143123417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45433 + ... + 48480.

Almost surely, 2^143123412 is an apocalyptic number.

143123412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

143123412 is an abundant number, since it is smaller than the sum of its proper divisors (193464364).

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

143123412 is a wasteful number, since it uses less digits than its factorization.

143123412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94047 (or 94045 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 143123412 is about 11963.4197452066. The cubic root of 143123412 is about 523.0825437268.

Adding to 143123412 its reverse (214321341), we get a palindrome (357444753).

The spelling of 143123412 in words is "one hundred forty-three million, one hundred twenty-three thousand, four hundred twelve".