423265442 has 4 divisors (see below), whose sum is σ = 634898166. Its totient is φ = 211632720.

The previous prime is 423265441. The next prime is 423265457. The reversal of 423265442 is 244562324.

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., 247464361 + 175801081 = 15731^2 + 13259^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423265399 and 423265408.

It is not an unprimeable number, because it can be changed into a prime (423265441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105816359 + ... + 105816362.

Almost surely, 2^423265442 is an apocalyptic number.

423265442 is a deficient number, since it is larger than the sum of its proper divisors (211632724).

423265442 is a wasteful number, since it uses less digits than its factorization.

423265442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211632723.

The product of its digits is 46080, while the sum is 32.

The square root of 423265442 is about 20573.4159049974. The cubic root of 423265442 is about 750.8230620577.

The spelling of 423265442 in words is "four hundred twenty-three million, two hundred sixty-five thousand, four hundred forty-two".