202143040403 has 4 divisors (see below), whose sum is σ = 202144918200. Its totient is φ = 202141162608.

The previous prime is 202143040397. The next prime is 202143040423. The reversal of 202143040403 is 304040341202.

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 202143040403 - 2⁴ = 202143040387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202143040423) 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, 766925 + ... + 996222.

It is an arithmetic number, because the mean of its divisors is an integer number (50536229550).

Almost surely, 2^202143040403 is an apocalyptic number.

202143040403 is a deficient number, since it is larger than the sum of its proper divisors (1877797).

202143040403 is a wasteful number, since it uses less digits than its factorization.

202143040403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877796.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 202143040403 its reverse (304040341202), we get a palindrome (506183381605).

The spelling of 202143040403 in words is "two hundred two billion, one hundred forty-three million, forty thousand, four hundred three".