423415144 has 8 divisors (see below), whose sum is σ = 793903410. Its totient is φ = 211707568.

The previous prime is 423415127. The next prime is 423415193. The reversal of 423415144 is 441514324.

It can be written as a sum of positive squares in only one way, i.e., 352012644 + 71402500 = 18762^2 + 8450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26463439 + ... + 26463454.

Almost surely, 2^423415144 is an apocalyptic number.

It is an amenable number.

423415144 is a deficient number, since it is larger than the sum of its proper divisors (370488266).

423415144 is a wasteful number, since it uses less digits than its factorization.

423415144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52926899 (or 52926895 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 423415144 is about 20577.0538221583. The cubic root of 423415144 is about 750.9115695317.

Adding to 423415144 its reverse (441514324), we get a palindrome (864929468).

The spelling of 423415144 in words is "four hundred twenty-three million, four hundred fifteen thousand, one hundred forty-four".