353143 has 6 divisors (see below), whose sum is σ = 410856. Its totient is φ = 302652.

The previous prime is 353137. The next prime is 353147. The reversal of 353143 is 341353.

It is a de Polignac number, because none of the positive numbers 2^k-353143 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 353143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3555 + ... + 3652.

It is an arithmetic number, because the mean of its divisors is an integer number (68476).

2³⁵³¹⁴³ is an apocalyptic number.

353143 is a deficient number, since it is larger than the sum of its proper divisors (57713).

353143 is an equidigital number, since it uses as much as digits as its factorization.

353143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7221 (or 7214 counting only the distinct ones).

The product of its digits is 540, while the sum is 19.

The square root of 353143 is about 594.2583613211. The cubic root of 353143 is about 70.6833081531.

Adding to 353143 its reverse (341353), we get a palindrome (694496).

It can be divided in two parts, 353 and 143, that added together give a triangular number (496 = T₃₁).

The spelling of 353143 in words is "three hundred fifty-three thousand, one hundred forty-three".