423465408 has 168 divisors, whose sum is σ = 1279406128. Its totient is φ = 138848256.

The previous prime is 423465373. The next prime is 423465409. The reversal of 423465408 is 804564324.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423465409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1135110 + ... + 1135482.

Almost surely, 2^423465408 is an apocalyptic number.

423465408 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 423465408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639703064).

423465408 is an abundant number, since it is smaller than the sum of its proper divisors (855940720).

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

423465408 is an equidigital number, since it uses as much as digits as its factorization.

423465408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 423465408 is about 20578.2751463771. The cubic root of 423465408 is about 750.9412821563.

The spelling of 423465408 in words is "four hundred twenty-three million, four hundred sixty-five thousand, four hundred eight".