423305105 has 4 divisors (see below), whose sum is σ = 507966132. Its totient is φ = 338644080.

The previous prime is 423305101. The next prime is 423305143. The reversal of 423305105 is 501503324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 249513616 + 173791489 = 15796^2 + 13183^2 .

It is not a de Polignac number, because 423305105 - 2² = 423305101 is a prime.

It is a super-2 number, since 2×423305105² = 358374423838122050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423305101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42330506 + ... + 42330515.

It is an arithmetic number, because the mean of its divisors is an integer number (126991533).

Almost surely, 2^423305105 is an apocalyptic number.

It is an amenable number.

423305105 is a deficient number, since it is larger than the sum of its proper divisors (84661027).

423305105 is an equidigital number, since it uses as much as digits as its factorization.

423305105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84661026.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 423305105 is about 20574.3798205438. The cubic root of 423305105 is about 750.8465138226.

Adding to 423305105 its reverse (501503324), we get a palindrome (924808429).

The spelling of 423305105 in words is "four hundred twenty-three million, three hundred five thousand, one hundred five".