423431415 has 32 divisors (see below), whose sum is σ = 821203200. Its totient is φ = 205299360.

The previous prime is 423431381. The next prime is 423431447. The reversal of 423431415 is 514134324.

It is a happy number.

It is not a de Polignac number, because 423431415 - 2¹⁹ = 422907127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 in 31 ways as a sum of consecutive naturals, for example, 141085 + ... + 144054.

It is an arithmetic number, because the mean of its divisors is an integer number (25662600).

Almost surely, 2^423431415 is an apocalyptic number.

423431415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

423431415 is a deficient number, since it is larger than the sum of its proper divisors (397771785).

423431415 is a wasteful number, since it uses less digits than its factorization.

423431415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285164 (or 285158 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 423431415 is about 20577.4491859414. The cubic root of 423431415 is about 750.9211880868.

Adding to 423431415 its reverse (514134324), we get a palindrome (937565739).

The spelling of 423431415 in words is "four hundred twenty-three million, four hundred thirty-one thousand, four hundred fifteen".