143223432 has 64 divisors (see below), whose sum is σ = 394148160. Its totient is φ = 43008000.

The previous prime is 143223403. The next prime is 143223467. The reversal of 143223432 is 234322341.

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27432 + ... + 32232.

It is an arithmetic number, because the mean of its divisors is an integer number (6158565).

Almost surely, 2^143223432 is an apocalyptic number.

143223432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143223432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197074080).

143223432 is an abundant number, since it is smaller than the sum of its proper divisors (250924728).

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

143223432 is a wasteful number, since it uses less digits than its factorization.

143223432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934 (or 4930 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 143223432 is about 11967.5992579966. The cubic root of 143223432 is about 523.2043652433.

Adding to 143223432 its reverse (234322341), we get a palindrome (377545773).

The spelling of 143223432 in words is "one hundred forty-three million, two hundred twenty-three thousand, four hundred thirty-two".