200142343 has 8 divisors (see below), whose sum is σ = 221129568. Its totient is φ = 180178944.

The previous prime is 200142329. The next prime is 200142359. The reversal of 200142343 is 343241002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200142343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200142343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200145343) 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, 255546 + ... + 256327.

It is an arithmetic number, because the mean of its divisors is an integer number (27641196).

Almost surely, 2^200142343 is an apocalyptic number.

200142343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

200142343 is a deficient number, since it is larger than the sum of its proper divisors (20987225).

200142343 is a wasteful number, since it uses less digits than its factorization.

200142343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511913.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 200142343 is about 14147.1673136356. The cubic root of 200142343 is about 584.9422525606.

Adding to 200142343 its reverse (343241002), we get a palindrome (543383345).

It can be divided in two parts, 2001 and 42343, that added together give a palindrome (44344).

The spelling of 200142343 in words is "two hundred million, one hundred forty-two thousand, three hundred forty-three".