423815924 has 12 divisors (see below), whose sum is σ = 847631904. Its totient is φ = 181635384.

The previous prime is 423815923. The next prime is 423815929. The reversal of 423815924 is 429518324.

423815924 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423815921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7568114 + ... + 7568169.

It is an arithmetic number, because the mean of its divisors is an integer number (70635992).

Almost surely, 2^423815924 is an apocalyptic number.

It is an amenable number.

423815924 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423815924 is a wasteful number, since it uses less digits than its factorization.

423815924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15136294 (or 15136292 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 423815924 is about 20586.7900363316. The cubic root of 423815924 is about 751.1484178030.

The spelling of 423815924 in words is "four hundred twenty-three million, eight hundred fifteen thousand, nine hundred twenty-four".