42312323550 has 96 divisors (see below), whose sum is σ = 120008104704. Its totient is φ = 9664704000.

The previous prime is 42312323509. The next prime is 42312323561. The reversal of 42312323550 is 5532321324.

42312323550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1594390 + ... + 1620710.

It is an arithmetic number, because the mean of its divisors is an integer number (1250084424).

Almost surely, 2^42312323550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42312323550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60004052352).

42312323550 is an abundant number, since it is smaller than the sum of its proper divisors (77695781154).

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

42312323550 is a wasteful number, since it uses less digits than its factorization.

42312323550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27874 (or 27869 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 42312323550 its reverse (5532321324), we get a palindrome (47844644874).

The spelling of 42312323550 in words is "forty-two billion, three hundred twelve million, three hundred twenty-three thousand, five hundred fifty".