233243137 has 8 divisors (see below), whose sum is σ = 244490400. Its totient is φ = 222260640.

The previous prime is 233243123. The next prime is 233243149. The reversal of 233243137 is 731342332.

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 233243137 - 2¹¹ = 233241089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233243237) 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 7 ways as a sum of consecutive naturals, for example, 64387 + ... + 67912.

It is an arithmetic number, because the mean of its divisors is an integer number (30561300).

Almost surely, 2^233243137 is an apocalyptic number.

It is an amenable number.

233243137 is a deficient number, since it is larger than the sum of its proper divisors (11247263).

233243137 is a wasteful number, since it uses less digits than its factorization.

233243137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132383.

The product of its digits is 9072, while the sum is 28.

The square root of 233243137 is about 15272.2996631156. The cubic root of 233243137 is about 615.5589137646.

Adding to 233243137 its reverse (731342332), we get a palindrome (964585469).

The spelling of 233243137 in words is "two hundred thirty-three million, two hundred forty-three thousand, one hundred thirty-seven".