30123332442 has 48 divisors (see below), whose sum is σ = 75813933312. Its totient is φ = 8465571360.

The previous prime is 30123332441. The next prime is 30123332467. The reversal of 30123332442 is 24423332103.

30123332442 is a `hidden beast` number, since 301 + 2 + 33 + 324 + 4 + 2 = 666.

It is a super-2 number, since 2×30123332442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30123332441) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1951938 + ... + 1967309.

It is an arithmetic number, because the mean of its divisors is an integer number (1579456944).

Almost surely, 2^30123332442 is an apocalyptic number.

30123332442 is an abundant number, since it is smaller than the sum of its proper divisors (45690600870).

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

30123332442 is a wasteful number, since it uses less digits than its factorization.

30123332442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919323 (or 3919320 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 30123332442 its reverse (24423332103), we get a palindrome (54546664545).

The spelling of 30123332442 in words is "thirty billion, one hundred twenty-three million, three hundred thirty-two thousand, four hundred forty-two".