423281880 has 384 divisors, whose sum is σ = 1680307200. Its totient is φ = 90326016.

The previous prime is 423281879. The next prime is 423281893. The reversal of 423281880 is 88182324.

It is a happy number.

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

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3883266 + ... + 3883374.

It is an arithmetic number, because the mean of its divisors is an integer number (4375800).

Almost surely, 2^423281880 is an apocalyptic number.

423281880 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 423281880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (840153600).

423281880 is an abundant number, since it is smaller than the sum of its proper divisors (1257025320).

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

423281880 is a wasteful number, since it uses less digits than its factorization.

423281880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 423281880 is about 20573.8153972471. The cubic root of 423281880 is about 750.8327816241.

The spelling of 423281880 in words is "four hundred twenty-three million, two hundred eighty-one thousand, eight hundred eighty".