30340443423342 has 32 divisors (see below), whose sum is σ = 65357678387232. Its totient is φ = 9334230908544.

The previous prime is 30340443423293. The next prime is 30340443423347. The reversal of 30340443423342 is 24332434404303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 30340443423342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30340443423347) 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 15 ways as a sum of consecutive naturals, for example, 26309913 + ... + 27438884.

It is an arithmetic number, because the mean of its divisors is an integer number (2042427449601).

Almost surely, 2^{30340443423342} is an apocalyptic number.

30340443423342 is an abundant number, since it is smaller than the sum of its proper divisors (35017234963890).

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

30340443423342 is a wasteful number, since it uses less digits than its factorization.

30340443423342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53756052.

The product of its (nonzero) digits is 995328, while the sum is 39.

Adding to 30340443423342 its reverse (24332434404303), we get a palindrome (54672877827645).

The spelling of 30340443423342 in words is "thirty trillion, three hundred forty billion, four hundred forty-three million, four hundred twenty-three thousand, three hundred forty-two".