423542010851850 has 192 divisors, whose sum is σ = 1183335282266112. Its totient is φ = 99322863552000.

The previous prime is 423542010851777. The next prime is 423542010851963. The reversal of 423542010851850 is 58158010245324.

It is a self number, because there is not a number n which added to its sum of digits gives 423542010851850.

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, 119841777 + ... + 123325323.

It is an arithmetic number, because the mean of its divisors is an integer number (6163204595136).

Almost surely, 2^{423542010851850} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423542010851850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591667641133056).

423542010851850 is an abundant number, since it is smaller than the sum of its proper divisors (759793271414262).

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

423542010851850 is a wasteful number, since it uses less digits than its factorization.

423542010851850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485981 (or 3485976 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 423542010851850 in words is "four hundred twenty-three trillion, five hundred forty-two billion, ten million, eight hundred fifty-one thousand, eight hundred fifty".