30320123042 has 16 divisors (see below), whose sum is σ = 49652352864. Its totient is φ = 13771428000.

The previous prime is 30320122997. The next prime is 30320123087. The reversal of 30320123042 is 24032102303.

It is an interprime number because it is at equal distance from previous prime (30320122997) and next prime (30320123087).

It is a super-2 number, since 2×30320123042² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492584 + ... + 550707.

It is an arithmetic number, because the mean of its divisors is an integer number (3103272054).

Almost surely, 2^30320123042 is an apocalyptic number.

30320123042 is a deficient number, since it is larger than the sum of its proper divisors (19332229822).

30320123042 is a wasteful number, since it uses less digits than its factorization.

30320123042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044625.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30320123042 its reverse (24032102303), we get a palindrome (54352225345).

The spelling of 30320123042 in words is "thirty billion, three hundred twenty million, one hundred twenty-three thousand, forty-two".