423210115 has 4 divisors (see below), whose sum is σ = 507852144. Its totient is φ = 338568088.

The previous prime is 423210089. The next prime is 423210173. The reversal of 423210115 is 511012324.

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

It is a cyclic number.

It is not a de Polignac number, because 423210115 - 2⁵ = 423210083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423210092 and 423210101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42321007 + ... + 42321016.

It is an arithmetic number, because the mean of its divisors is an integer number (126963036).

Almost surely, 2^423210115 is an apocalyptic number.

423210115 is a deficient number, since it is larger than the sum of its proper divisors (84642029).

423210115 is an equidigital number, since it uses as much as digits as its factorization.

423210115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84642028.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 423210115 is about 20572.0712374812. The cubic root of 423210115 is about 750.7903461041.

Adding to 423210115 its reverse (511012324), we get a palindrome (934222439).

The spelling of 423210115 in words is "four hundred twenty-three million, two hundred ten thousand, one hundred fifteen".