234423123133 has 8 divisors (see below), whose sum is σ = 235697421816. Its totient is φ = 233149440000.

The previous prime is 234423123131. The next prime is 234423123149. The reversal of 234423123133 is 331321324432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2972648484 + 231450474649 = 54522^2 + 481093^2 .

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 234423123133 - 2¹ = 234423123131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234423123095 and 234423123104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234423123131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620403 + ... + 923983.

It is an arithmetic number, because the mean of its divisors is an integer number (29462177727).

Almost surely, 2^234423123133 is an apocalyptic number.

It is an amenable number.

234423123133 is a deficient number, since it is larger than the sum of its proper divisors (1274298683).

234423123133 is a wasteful number, since it uses less digits than its factorization.

234423123133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307775.

The product of its digits is 31104, while the sum is 31.

Adding to 234423123133 its reverse (331321324432), we get a palindrome (565744447565).

The spelling of 234423123133 in words is "two hundred thirty-four billion, four hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty-three".