234343513 has 2 divisors, whose sum is σ = 234343514. Its totient is φ = 234343512.

The previous prime is 234343493. The next prime is 234343531. The reversal of 234343513 is 315343432.

Together with next prime (234343531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234334864 + 8649 = 15308^2 + 93^2 .

It is a cyclic number.

It is not a de Polignac number, because 234343513 - 2⁹ = 234343001 is a prime.

It is not a weakly prime, because it can be changed into another prime (234343553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117171756 + 117171757.

It is an arithmetic number, because the mean of its divisors is an integer number (117171757).

Almost surely, 2^234343513 is an apocalyptic number.

It is an amenable number.

234343513 is a deficient number, since it is larger than the sum of its proper divisors (1).

234343513 is an equidigital number, since it uses as much as digits as its factorization.

234343513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 28.

The square root of 234343513 is about 15308.2824967401. The cubic root of 234343513 is about 616.5254071702.

Adding to 234343513 its reverse (315343432), we get a palindrome (549686945).

The spelling of 234343513 in words is "two hundred thirty-four million, three hundred forty-three thousand, five hundred thirteen".