423410242 has 4 divisors (see below), whose sum is σ = 635115366. Its totient is φ = 211705120.

The previous prime is 423410233. The next prime is 423410261. The reversal of 423410242 is 242014324.

It is a happy number.

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., 392396481 + 31013761 = 19809^2 + 5569^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105852559 + ... + 105852562.

Almost surely, 2^423410242 is an apocalyptic number.

423410242 is a deficient number, since it is larger than the sum of its proper divisors (211705124).

423410242 is a wasteful number, since it uses less digits than its factorization.

423410242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211705123.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 423410242 is about 20576.9347085517. The cubic root of 423410242 is about 750.9086716801.

Adding to 423410242 its reverse (242014324), we get a palindrome (665424566).

The spelling of 423410242 in words is "four hundred twenty-three million, four hundred ten thousand, two hundred forty-two".