423826368 has 112 divisors (see below), whose sum is σ = 1295180544. Its totient is φ = 119808000.

The previous prime is 423826363. The next prime is 423826397. The reversal of 423826368 is 863628324.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423826363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128743 + ... + 131993.

It is an arithmetic number, because the mean of its divisors is an integer number (11564112).

Almost surely, 2^423826368 is an apocalyptic number.

423826368 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 423826368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647590272).

423826368 is an abundant number, since it is smaller than the sum of its proper divisors (871354176).

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

423826368 is a wasteful number, since it uses less digits than its factorization.

423826368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370 (or 3360 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 423826368 is about 20587.0436925752. The cubic root of 423826368 is about 751.1545878792.

The spelling of 423826368 in words is "four hundred twenty-three million, eight hundred twenty-six thousand, three hundred sixty-eight".