235823238 has 96 divisors (see below), whose sum is σ = 612358656. Its totient is φ = 66624768.

The previous prime is 235823233. The next prime is 235823239. The reversal of 235823238 is 832328532.

It is a happy number.

It is a super-2 number, since 2×235823238² = 111225199161609288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235823233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 350070 + ... + 350742.

It is an arithmetic number, because the mean of its divisors is an integer number (6378736).

Almost surely, 2^235823238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235823238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306179328).

235823238 is an abundant number, since it is smaller than the sum of its proper divisors (376535418).

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

235823238 is a wasteful number, since it uses less digits than its factorization.

235823238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 788 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 235823238 is about 15356.5373050047. The cubic root of 235823238 is about 617.8203361230.

The spelling of 235823238 in words is "two hundred thirty-five million, eight hundred twenty-three thousand, two hundred thirty-eight".