202343043 has 16 divisors (see below), whose sum is σ = 310406400. Its totient is φ = 114846816.

The previous prime is 202343041. The next prime is 202343059. The reversal of 202343043 is 340343202.

It is not a de Polignac number, because 202343043 - 2¹ = 202343041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (202343041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29205 + ... + 35462.

It is an arithmetic number, because the mean of its divisors is an integer number (19400400).

Almost surely, 2^202343043 is an apocalyptic number.

202343043 is a deficient number, since it is larger than the sum of its proper divisors (108063357).

202343043 is a wasteful number, since it uses less digits than its factorization.

202343043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64826.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 202343043 is about 14224.7334948673. The cubic root of 202343043 is about 587.0783869888.

Adding to 202343043 its reverse (340343202), we get a palindrome (542686245).

The spelling of 202343043 in words is "two hundred two million, three hundred forty-three thousand, forty-three".