423534113 has 2 divisors, whose sum is σ = 423534114. Its totient is φ = 423534112.

The previous prime is 423534109. The next prime is 423534151. The reversal of 423534113 is 311435324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341214784 + 82319329 = 18472^2 + 9073^2 .

It is a cyclic number.

It is not a de Polignac number, because 423534113 - 2² = 423534109 is a prime.

It is a super-2 number, since 2×423534113² = 358762289749393538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423534173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211767056 + 211767057.

It is an arithmetic number, because the mean of its divisors is an integer number (211767057).

Almost surely, 2^423534113 is an apocalyptic number.

It is an amenable number.

423534113 is a deficient number, since it is larger than the sum of its proper divisors (1).

423534113 is an equidigital number, since it uses as much as digits as its factorization.

423534113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

The square root of 423534113 is about 20579.9444362710. The cubic root of 423534113 is about 750.9818920305.

Adding to 423534113 its reverse (311435324), we get a palindrome (734969437).

The spelling of 423534113 in words is "four hundred twenty-three million, five hundred thirty-four thousand, one hundred thirteen".