238512923 has 8 divisors (see below), whose sum is σ = 261431616. Its totient is φ = 215800200.

The previous prime is 238512917. The next prime is 238512979. The reversal of 238512923 is 329215832.

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

It is not a de Polignac number, because 238512923 - 2¹⁶ = 238447387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238512913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49061 + ... + 53702.

It is an arithmetic number, because the mean of its divisors is an integer number (32678952).

Almost surely, 2^238512923 is an apocalyptic number.

238512923 is a deficient number, since it is larger than the sum of its proper divisors (22918693).

238512923 is a wasteful number, since it uses less digits than its factorization.

238512923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102985.

The product of its digits is 25920, while the sum is 35.

The square root of 238512923 is about 15443.8636033863. The cubic root of 238512923 is about 620.1603149430.

The spelling of 238512923 in words is "two hundred thirty-eight million, five hundred twelve thousand, nine hundred twenty-three".