4223665342438 has 8 divisors (see below), whose sum is σ = 6336248423688. Its totient is φ = 2111582534544.

The previous prime is 4223665342427. The next prime is 4223665342439. The reversal of 4223665342438 is 8342435663224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223665342439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125047231 + ... + 125081002.

It is an arithmetic number, because the mean of its divisors is an integer number (792031052961).

Almost surely, 2^{4223665342438} is an apocalyptic number.

4223665342438 is a deficient number, since it is larger than the sum of its proper divisors (2112583081250).

4223665342438 is a wasteful number, since it uses less digits than its factorization.

4223665342438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250136678.

The product of its digits is 19906560, while the sum is 52.

The spelling of 4223665342438 in words is "four trillion, two hundred twenty-three billion, six hundred sixty-five million, three hundred forty-two thousand, four hundred thirty-eight".