238563113 has 4 divisors (see below), whose sum is σ = 238724820. Its totient is φ = 238401408.

The previous prime is 238563109. The next prime is 238563121. The reversal of 238563113 is 311365832.

238563113 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 can be written as a sum of positive squares in 2 ways, for example, as 57714409 + 180848704 = 7597^2 + 13448^2 .

It is a cyclic number.

It is not a de Polignac number, because 238563113 - 2² = 238563109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 238563113.

It is not an unprimeable number, because it can be changed into a prime (238569113) 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, 78620 + ... + 81597.

It is an arithmetic number, because the mean of its divisors is an integer number (59681205).

Almost surely, 2^238563113 is an apocalyptic number.

It is an amenable number.

238563113 is a deficient number, since it is larger than the sum of its proper divisors (161707).

238563113 is a wasteful number, since it uses less digits than its factorization.

238563113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161706.

The product of its digits is 12960, while the sum is 32.

The square root of 238563113 is about 15445.4884351386. The cubic root of 238563113 is about 620.2038117660.

The spelling of 238563113 in words is "two hundred thirty-eight million, five hundred sixty-three thousand, one hundred thirteen".