143223808 has 176 divisors, whose sum is σ = 371407680. Its totient is φ = 53673984.

The previous prime is 143223727. The next prime is 143223809. The reversal of 143223808 is 808322341.

It is a self number, because there is not a number n which added to its sum of digits gives 143223808.

It is not an unprimeable number, because it can be changed into a prime (143223809) 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, 2702310 + ... + 2702362.

Almost surely, 2^143223808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143223808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185703840).

143223808 is an abundant number, since it is smaller than the sum of its proper divisors (228183872).

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

143223808 is a wasteful number, since it uses less digits than its factorization.

143223808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 143223808 is about 11967.6149670684. The cubic root of 143223808 is about 523.2048230936.

Adding to 143223808 its product of nonzero digits (9216), we get a square (143233024 = 11968²).

The spelling of 143223808 in words is "one hundred forty-three million, two hundred twenty-three thousand, eight hundred eight".