202043 has 4 divisors (see below), whose sum is σ = 209040. Its totient is φ = 195048.

The previous prime is 202031. The next prime is 202049. The reversal of 202043 is 340202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340202 = 2 ⋅170101.

It is a cyclic number.

It is not a de Polignac number, because 202043 - 2⁶ = 201979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455 + ... + 3512.

It is an arithmetic number, because the mean of its divisors is an integer number (52260).

2²⁰²⁰⁴³ is an apocalyptic number.

202043 is a deficient number, since it is larger than the sum of its proper divisors (6997).

202043 is an equidigital number, since it uses as much as digits as its factorization.

202043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 202043 is about 449.4919354115. The cubic root of 202043 is about 58.6788061713.

Adding to 202043 its reverse (340202), we get a palindrome (542245).

The spelling of 202043 in words is "two hundred two thousand, forty-three", and thus it is an iban number.