238381495423 has 4 divisors (see below), whose sum is σ = 240258515200. Its totient is φ = 236504475648.

The previous prime is 238381495399. The next prime is 238381495433. The reversal of 238381495423 is 324594183832.

It is a happy number.

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-238381495423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238381495433) 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, 938509698 + ... + 938509951.

It is an arithmetic number, because the mean of its divisors is an integer number (60064628800).

Almost surely, 2^238381495423 is an apocalyptic number.

238381495423 is a deficient number, since it is larger than the sum of its proper divisors (1877019777).

238381495423 is a wasteful number, since it uses less digits than its factorization.

238381495423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877019776.

The product of its digits is 4976640, while the sum is 52.

The spelling of 238381495423 in words is "two hundred thirty-eight billion, three hundred eighty-one million, four hundred ninety-five thousand, four hundred twenty-three".