202144424323 has 4 divisors (see below), whose sum is σ = 202834337328. Its totient is φ = 201454511320.

The previous prime is 202144424269. The next prime is 202144424329. The reversal of 202144424323 is 323424441202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202144424323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202144424329) 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, 344956063 + ... + 344956648.

It is an arithmetic number, because the mean of its divisors is an integer number (50708584332).

Almost surely, 2^202144424323 is an apocalyptic number.

202144424323 is a deficient number, since it is larger than the sum of its proper divisors (689913005).

202144424323 is an equidigital number, since it uses as much as digits as its factorization.

202144424323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689913004.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 202144424323 its reverse (323424441202), we get a palindrome (525568865525).

The spelling of 202144424323 in words is "two hundred two billion, one hundred forty-four million, four hundred twenty-four thousand, three hundred twenty-three".