238452923 has 4 divisors (see below), whose sum is σ = 238640640. Its totient is φ = 238265208.

The previous prime is 238452919. The next prime is 238452953. The reversal of 238452923 is 329254832.

238452923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 238452923 - 2² = 238452919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238452953) 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, 91940 + ... + 94497.

It is an arithmetic number, because the mean of its divisors is an integer number (59660160).

Almost surely, 2^238452923 is an apocalyptic number.

238452923 is a deficient number, since it is larger than the sum of its proper divisors (187717).

238452923 is a wasteful number, since it uses less digits than its factorization.

238452923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187716.

The product of its digits is 103680, while the sum is 38.

The square root of 238452923 is about 15441.9209621083. The cubic root of 238452923 is about 620.1083083417.

The spelling of 238452923 in words is "two hundred thirty-eight million, four hundred fifty-two thousand, nine hundred twenty-three".