238233811 has 8 divisors (see below), whose sum is σ = 246849120. Its totient is φ = 229645248.

The previous prime is 238233797. The next prime is 238233847. The reversal of 238233811 is 118332832.

238233811 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 238233811 - 2¹⁹ = 237709523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238233311) 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, 12415 + ... + 25111.

It is an arithmetic number, because the mean of its divisors is an integer number (30856140).

Almost surely, 2^238233811 is an apocalyptic number.

238233811 is a deficient number, since it is larger than the sum of its proper divisors (8615309).

238233811 is a wasteful number, since it uses less digits than its factorization.

238233811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13373.

The product of its digits is 6912, while the sum is 31.

The square root of 238233811 is about 15434.8246183752. The cubic root of 238233811 is about 619.9183130326.

The spelling of 238233811 in words is "two hundred thirty-eight million, two hundred thirty-three thousand, eight hundred eleven".