233117136 has 160 divisors (see below), whose sum is σ = 772014080. Its totient is φ = 65971584.

The previous prime is 233117123. The next prime is 233117149. The reversal of 233117136 is 631711332.

233117136 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (233117123) and next prime (233117149).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383745 + ... + 384351.

It is an arithmetic number, because the mean of its divisors is an integer number (4825088).

Almost surely, 2^233117136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233117136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386007040).

233117136 is an abundant number, since it is smaller than the sum of its proper divisors (538896944).

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

233117136 is a wasteful number, since it uses less digits than its factorization.

233117136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 746 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 233117136 is about 15268.1739576152. The cubic root of 233117136 is about 615.4480494674.

Adding to 233117136 its reverse (631711332), we get a palindrome (864828468).

The spelling of 233117136 in words is "two hundred thirty-three million, one hundred seventeen thousand, one hundred thirty-six".