233423303442 has 64 divisors (see below), whose sum is σ = 550948552704. Its totient is φ = 64517728320.

The previous prime is 233423303369. The next prime is 233423303453. The reversal of 233423303442 is 244303324332.

233423303442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3748828 + ... + 3810584.

It is an arithmetic number, because the mean of its divisors is an integer number (8608571136).

Almost surely, 2^233423303442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 233423303442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275474276352).

233423303442 is an abundant number, since it is smaller than the sum of its proper divisors (317525249262).

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

233423303442 is a wasteful number, since it uses less digits than its factorization.

233423303442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64703.

The product of its (nonzero) digits is 124416, while the sum is 33.

Adding to 233423303442 its reverse (244303324332), we get a palindrome (477726627774).

The spelling of 233423303442 in words is "two hundred thirty-three billion, four hundred twenty-three million, three hundred three thousand, four hundred forty-two".