238017434803 has 4 divisors (see below), whose sum is σ = 238020923088. Its totient is φ = 238013946520.

The previous prime is 238017434801. The next prime is 238017434833. The reversal of 238017434803 is 308434710832.

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 238017434803 - 2¹ = 238017434801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238017434803.

It is not an unprimeable number, because it can be changed into a prime (238017434801) 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, 1639708 + ... + 1778953.

It is an arithmetic number, because the mean of its divisors is an integer number (59505230772).

Almost surely, 2^238017434803 is an apocalyptic number.

238017434803 is a deficient number, since it is larger than the sum of its proper divisors (3488285).

238017434803 is an equidigital number, since it uses as much as digits as its factorization.

238017434803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488284.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 238017434803 in words is "two hundred thirty-eight billion, seventeen million, four hundred thirty-four thousand, eight hundred three".