423443113 has 2 divisors, whose sum is σ = 423443114. Its totient is φ = 423443112.

The previous prime is 423443099. The next prime is 423443131. The reversal of 423443113 is 311344324.

Together with next prime (423443131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 315843984 + 107599129 = 17772^2 + 10373^2 .

It is a cyclic number.

It is not a de Polignac number, because 423443113 - 2²¹ = 421345961 is a prime.

It is not a weakly prime, because it can be changed into another prime (423443173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211721556 + 211721557.

It is an arithmetic number, because the mean of its divisors is an integer number (211721557).

Almost surely, 2^423443113 is an apocalyptic number.

It is an amenable number.

423443113 is a deficient number, since it is larger than the sum of its proper divisors (1).

423443113 is an equidigital number, since it uses as much as digits as its factorization.

423443113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 423443113 is about 20577.7334271780. The cubic root of 423443113 is about 750.9281031737.

Adding to 423443113 its reverse (311344324), we get a palindrome (734787437).

The spelling of 423443113 in words is "four hundred twenty-three million, four hundred forty-three thousand, one hundred thirteen".