402203443 has 4 divisors (see below), whose sum is σ = 402689440. Its totient is φ = 401717448.

The previous prime is 402203437. The next prime is 402203447. The reversal of 402203443 is 344302204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402203443 - 2¹³ = 402195251 is a prime.

It is a super-2 number, since 2×402203443² = 323535219122108498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402203447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241755 + ... + 243412.

It is an arithmetic number, because the mean of its divisors is an integer number (100672360).

Almost surely, 2^402203443 is an apocalyptic number.

402203443 is a deficient number, since it is larger than the sum of its proper divisors (485997).

402203443 is an equidigital number, since it uses as much as digits as its factorization.

402203443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485996.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 402203443 is about 20055.0104213386. The cubic root of 402203443 is about 738.1567486272.

Adding to 402203443 its reverse (344302204), we get a palindrome (746505647).

The spelling of 402203443 in words is "four hundred two million, two hundred three thousand, four hundred forty-three".