423610234 has 4 divisors (see below), whose sum is σ = 635415354. Its totient is φ = 211805116.

The previous prime is 423610217. The next prime is 423610241. The reversal of 423610234 is 432016324.

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

It can be written as a sum of positive squares in only one way, i.e., 414326025 + 9284209 = 20355^2 + 3047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423610199 and 423610208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105902557 + ... + 105902560.

Almost surely, 2^423610234 is an apocalyptic number.

423610234 is a deficient number, since it is larger than the sum of its proper divisors (211805120).

423610234 is a wasteful number, since it uses less digits than its factorization.

423610234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211805119.

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

The square root of 423610234 is about 20581.7937507886. The cubic root of 423610234 is about 751.0268801959.

Adding to 423610234 its reverse (432016324), we get a palindrome (855626558).

The spelling of 423610234 in words is "four hundred twenty-three million, six hundred ten thousand, two hundred thirty-four".