238523442 has 16 divisors (see below), whose sum is σ = 479975520. Its totient is φ = 79019712.

The previous prime is 238523419. The next prime is 238523443. The reversal of 238523442 is 244325832.

238523442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (238523443) 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, 120967 + ... + 122922.

It is an arithmetic number, because the mean of its divisors is an integer number (29998470).

Almost surely, 2^238523442 is an apocalyptic number.

238523442 is an abundant number, since it is smaller than the sum of its proper divisors (241452078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238523442 is a wasteful number, since it uses less digits than its factorization.

238523442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244057.

The product of its digits is 46080, while the sum is 33.

The square root of 238523442 is about 15444.2041556048. The cubic root of 238523442 is about 620.1694316684.

The spelling of 238523442 in words is "two hundred thirty-eight million, five hundred twenty-three thousand, four hundred forty-two".