238945123 has 8 divisors (see below), whose sum is σ = 248706000. Its totient is φ = 229285728.

The previous prime is 238945111. The next prime is 238945141. The reversal of 238945123 is 321549832.

238945123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 238945123 - 2²¹ = 236847971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238915123) 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, 20548 + ... + 30001.

It is an arithmetic number, because the mean of its divisors is an integer number (31088250).

Almost surely, 2^238945123 is an apocalyptic number.

238945123 is a deficient number, since it is larger than the sum of its proper divisors (9760877).

238945123 is a wasteful number, since it uses less digits than its factorization.

238945123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50741.

The product of its digits is 51840, while the sum is 37.

The square root of 238945123 is about 15457.8498828265. The cubic root of 238945123 is about 620.5346783806.

The spelling of 238945123 in words is "two hundred thirty-eight million, nine hundred forty-five thousand, one hundred twenty-three".