423078856553000 has 128 divisors (see below), whose sum is σ = 1011513522539520. Its totient is φ = 165557960857600.

The previous prime is 423078856552999. The next prime is 423078856553009. The reversal of 423078856553000 is 355658870324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (423078856553009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104850869 + ... + 108811131.

It is an arithmetic number, because the mean of its divisors is an integer number (7902449394840).

Almost surely, 2^{423078856553000} is an apocalyptic number.

423078856553000 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 423078856553000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505756761269760).

423078856553000 is an abundant number, since it is smaller than the sum of its proper divisors (588434665986520).

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

423078856553000 is a wasteful number, since it uses less digits than its factorization.

423078856553000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962604 (or 3962590 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 56.

The spelling of 423078856553000 in words is "four hundred twenty-three trillion, seventy-eight billion, eight hundred fifty-six million, five hundred fifty-three thousand".