234144437 has 2 divisors, whose sum is σ = 234144438. Its totient is φ = 234144436.

The previous prime is 234144433. The next prime is 234144511. The reversal of 234144437 is 734441432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179399236 + 54745201 = 13394^2 + 7399^2 .

It is a cyclic number.

It is not a de Polignac number, because 234144437 - 2² = 234144433 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234144433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117072218 + 117072219.

It is an arithmetic number, because the mean of its divisors is an integer number (117072219).

Almost surely, 2^234144437 is an apocalyptic number.

It is an amenable number.

234144437 is a deficient number, since it is larger than the sum of its proper divisors (1).

234144437 is an equidigital number, since it uses as much as digits as its factorization.

234144437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 32.

The square root of 234144437 is about 15301.7788835155. The cubic root of 234144437 is about 616.3507772270.

Adding to 234144437 its reverse (734441432), we get a palindrome (968585869).

The spelling of 234144437 in words is "two hundred thirty-four million, one hundred forty-four thousand, four hundred thirty-seven".