423214502 has 4 divisors (see below), whose sum is σ = 634821756. Its totient is φ = 211607250.

The previous prime is 423214489. The next prime is 423214549. The reversal of 423214502 is 205412324.

It is a happy number.

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

It is a super-2 number, since 2×423214502² = 358221029406216008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105803624 + ... + 105803627.

It is an arithmetic number, because the mean of its divisors is an integer number (158705439).

Almost surely, 2^423214502 is an apocalyptic number.

423214502 is a deficient number, since it is larger than the sum of its proper divisors (211607254).

423214502 is a wasteful number, since it uses less digits than its factorization.

423214502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211607253.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 423214502 is about 20572.1778623460. The cubic root of 423214502 is about 750.7929403284.

Adding to 423214502 its reverse (205412324), we get a palindrome (628626826).

The spelling of 423214502 in words is "four hundred twenty-three million, two hundred fourteen thousand, five hundred two".