30042021140123 has 16 divisors (see below), whose sum is σ = 31078290309120. Its totient is φ = 29010012127200.

The previous prime is 30042021140119. The next prime is 30042021140161. The reversal of 30042021140123 is 32104112024003.

It is a cyclic number.

It is not a de Polignac number, because 30042021140123 - 2² = 30042021140119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30042021140113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28651118 + ... + 29681148.

It is an arithmetic number, because the mean of its divisors is an integer number (1942393144320).

Almost surely, 2^{30042021140123} is an apocalyptic number.

30042021140123 is a deficient number, since it is larger than the sum of its proper divisors (1036269168997).

30042021140123 is a wasteful number, since it uses less digits than its factorization.

30042021140123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032098.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30042021140123 its reverse (32104112024003), we get a palindrome (62146133164126).

The spelling of 30042021140123 in words is "thirty trillion, forty-two billion, twenty-one million, one hundred forty thousand, one hundred twenty-three".