30404111423021 has 16 divisors (see below), whose sum is σ = 35237863081728. Its totient is φ = 25692955411200.

The previous prime is 30404111422973. The next prime is 30404111423089. The reversal of 30404111423021 is 12032411140403.

It is not a de Polignac number, because 30404111423021 - 2²² = 30404107228717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30404111423321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19091051 + ... + 20622231.

It is an arithmetic number, because the mean of its divisors is an integer number (2202366442608).

Almost surely, 2^{30404111423021} is an apocalyptic number.

It is an amenable number.

30404111423021 is a deficient number, since it is larger than the sum of its proper divisors (4833751658707).

30404111423021 is a wasteful number, since it uses less digits than its factorization.

30404111423021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571212.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 30404111423021 its reverse (12032411140403), we get a palindrome (42436522563424).

The spelling of 30404111423021 in words is "thirty trillion, four hundred four billion, one hundred eleven million, four hundred twenty-three thousand, twenty-one".