423815320 has 32 divisors (see below), whose sum is σ = 954220320. Its totient is φ = 169413120.

The previous prime is 423815317. The next prime is 423815333. The reversal of 423815320 is 23518324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83989 + ... + 88891.

It is an arithmetic number, because the mean of its divisors is an integer number (29819385).

Almost surely, 2^423815320 is an apocalyptic number.

423815320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

423815320 is an abundant number, since it is smaller than the sum of its proper divisors (530405000).

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

423815320 is a wasteful number, since it uses less digits than its factorization.

423815320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7075 (or 7071 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 423815320 is about 20586.7753667251. The cubic root of 423815320 is about 751.1480609706.

The spelling of 423815320 in words is "four hundred twenty-three million, eight hundred fifteen thousand, three hundred twenty".