423392000 has 144 divisors (see below), whose sum is σ = 1073296224. Its totient is φ = 166400000.

The previous prime is 423391963. The next prime is 423392009. The reversal of 423392000 is 293324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423392009) 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, 3231935 + ... + 3232065.

It is an arithmetic number, because the mean of its divisors is an integer number (7453446).

Almost surely, 2^423392000 is an apocalyptic number.

423392000 is a gapful number since it is divisible by the number (40) 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 423392000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536648112).

423392000 is an abundant number, since it is smaller than the sum of its proper divisors (649904224).

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

423392000 is a wasteful number, since it uses less digits than its factorization.

423392000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 423392000 is about 20576.4914404764. The cubic root of 423392000 is about 750.8978875978.

The spelling of 423392000 in words is "four hundred twenty-three million, three hundred ninety-two thousand".