234136433 has 2 divisors, whose sum is σ = 234136434. Its totient is φ = 234136432.

The previous prime is 234136429. The next prime is 234136447. The reversal of 234136433 is 334631432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135094129 + 99042304 = 11623^2 + 9952^2 .

It is a cyclic number.

It is not a de Polignac number, because 234136433 - 2² = 234136429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234136396 and 234136405.

It is not a weakly prime, because it can be changed into another prime (234136403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117068216 + 117068217.

It is an arithmetic number, because the mean of its divisors is an integer number (117068217).

Almost surely, 2^234136433 is an apocalyptic number.

It is an amenable number.

234136433 is a deficient number, since it is larger than the sum of its proper divisors (1).

234136433 is an equidigital number, since it uses as much as digits as its factorization.

234136433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 29.

The square root of 234136433 is about 15301.5173430611. The cubic root of 234136433 is about 616.3437540295.

Adding to 234136433 its reverse (334631432), we get a palindrome (568767865).

The spelling of 234136433 in words is "two hundred thirty-four million, one hundred thirty-six thousand, four hundred thirty-three".