423415883520 has 1152 divisors, whose sum is σ = 1829592576000. Its totient is φ = 92513304576.

The previous prime is 423415883489. The next prime is 423415883533. The reversal of 423415883520 is 25388514324.

423415883520 is a `hidden beast` number, since 4 + 2 + 3 + 41 + 5 + 8 + 83 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 272643064 + ... + 272644616.

It is an arithmetic number, because the mean of its divisors is an integer number (1588188000).

Almost surely, 2^423415883520 is an apocalyptic number.

423415883520 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 423415883520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914796288000).

423415883520 is an abundant number, since it is smaller than the sum of its proper divisors (1406176692480).

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

423415883520 is a wasteful number, since it uses less digits than its factorization.

423415883520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 423415883520 in words is "four hundred twenty-three billion, four hundred fifteen million, eight hundred eighty-three thousand, five hundred twenty".