30028408123 has 8 divisors (see below), whose sum is σ = 34331355360. Its totient is φ = 25728754560.

The previous prime is 30028408097. The next prime is 30028408141. The reversal of 30028408123 is 32180482003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30028408123 - 2⁹ = 30028407611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30028408153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803848 + ... + 840373.

It is an arithmetic number, because the mean of its divisors is an integer number (4291419420).

Almost surely, 2^30028408123 is an apocalyptic number.

30028408123 is a deficient number, since it is larger than the sum of its proper divisors (4302947237).

30028408123 is a wasteful number, since it uses less digits than its factorization.

30028408123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646837.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 30028408123 in words is "thirty billion, twenty-eight million, four hundred eight thousand, one hundred twenty-three".