202423313443 has 16 divisors (see below), whose sum is σ = 218997114336. Its totient is φ = 185994282240.

The previous prime is 202423313429. The next prime is 202423313473. The reversal of 202423313443 is 344313324202.

It is a happy number.

It is not a de Polignac number, because 202423313443 - 2¹⁷ = 202423182371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202423313473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3233308 + ... + 3295318.

It is an arithmetic number, because the mean of its divisors is an integer number (13687319646).

Almost surely, 2^202423313443 is an apocalyptic number.

202423313443 is a deficient number, since it is larger than the sum of its proper divisors (16573800893).

202423313443 is a wasteful number, since it uses less digits than its factorization.

202423313443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63174.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 202423313443 its reverse (344313324202), we get a palindrome (546736637645).

The spelling of 202423313443 in words is "two hundred two billion, four hundred twenty-three million, three hundred thirteen thousand, four hundred forty-three".