233043137 has 2 divisors, whose sum is σ = 233043138. Its totient is φ = 233043136.

The previous prime is 233043077. The next prime is 233043163. The reversal of 233043137 is 731340332.

It is an a-pointer prime, because the next prime (233043163) can be obtained adding 233043137 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202749121 + 30294016 = 14239^2 + 5504^2 .

It is a cyclic number.

It is not a de Polignac number, because 233043137 - 2⁸ = 233042881 is a prime.

It is not a weakly prime, because it can be changed into another prime (233043197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116521568 + 116521569.

It is an arithmetic number, because the mean of its divisors is an integer number (116521569).

Almost surely, 2^233043137 is an apocalyptic number.

It is an amenable number.

233043137 is a deficient number, since it is larger than the sum of its proper divisors (1).

233043137 is an equidigital number, since it uses as much as digits as its factorization.

233043137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 26.

The square root of 233043137 is about 15265.7504564957. The cubic root of 233043137 is about 615.3829214653.

Adding to 233043137 its reverse (731340332), we get a palindrome (964383469).

The spelling of 233043137 in words is "two hundred thirty-three million, forty-three thousand, one hundred thirty-seven".