423002873256 has 256 divisors, whose sum is σ = 1173757132800. Its totient is φ = 126570470400.

The previous prime is 423002873243. The next prime is 423002873257. The reversal of 423002873256 is 652378200324.

It is not an unprimeable number, because it can be changed into a prime (423002873257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 227297766 + ... + 227299626.

It is an arithmetic number, because the mean of its divisors is an integer number (4584988800).

Almost surely, 2^423002873256 is an apocalyptic number.

423002873256 is a gapful number since it is divisible by the number (46) 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 423002873256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586878566400).

423002873256 is an abundant number, since it is smaller than the sum of its proper divisors (750754259544).

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

423002873256 is a wasteful number, since it uses less digits than its factorization.

423002873256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 423002873256 in words is "four hundred twenty-three billion, two million, eight hundred seventy-three thousand, two hundred fifty-six".