423403008 has 160 divisors (see below), whose sum is σ = 1315201536. Its totient is φ = 118530048.

The previous prime is 423403007. The next prime is 423403031. The reversal of 423403008 is 800304324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423403007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569485 + ... + 570227.

Almost surely, 2^423403008 is an apocalyptic number.

423403008 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423403008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657600768).

423403008 is an abundant number, since it is smaller than the sum of its proper divisors (891798528).

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

423403008 is an equidigital number, since it uses as much as digits as its factorization.

423403008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 423403008 is about 20576.7589284610. The cubic root of 423403008 is about 750.9043952096.

The spelling of 423403008 in words is "four hundred twenty-three million, four hundred three thousand, eight".