238023879 has 8 divisors (see below), whose sum is σ = 321835392. Its totient is φ = 156447480.

The previous prime is 238023857. The next prime is 238023881. The reversal of 238023879 is 978320832.

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

It is not a de Polignac number, because 238023879 - 2¹¹ = 238021831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238023879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238023809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558529 + ... + 558954.

It is an arithmetic number, because the mean of its divisors is an integer number (40229424).

Almost surely, 2^238023879 is an apocalyptic number.

238023879 is a deficient number, since it is larger than the sum of its proper divisors (83811513).

238023879 is a wasteful number, since it uses less digits than its factorization.

238023879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117557.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 238023879 is about 15428.0225239659. The cubic root of 238023879 is about 619.7361685304.

The spelling of 238023879 in words is "two hundred thirty-eight million, twenty-three thousand, eight hundred seventy-nine".