30003000123 has 8 divisors (see below), whose sum is σ = 40014629200. Its totient is φ = 19996685568.

The previous prime is 30003000113. The next prime is 30003000163. The reversal of 30003000123 is 32100030003.

It is a happy number.

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

It is not a de Polignac number, because 30003000123 - 2⁵ = 30003000091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30003000099 and 30003000108.

It is not an unprimeable number, because it can be changed into a prime (30003000113) 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, 1315438 + ... + 1338051.

It is an arithmetic number, because the mean of its divisors is an integer number (5001828650).

Almost surely, 2^30003000123 is an apocalyptic number.

30003000123 is a deficient number, since it is larger than the sum of its proper divisors (10011629077).

30003000123 is a wasteful number, since it uses less digits than its factorization.

30003000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657261.

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 30003000123 its reverse (32100030003), we get a palindrome (62103030126).

The spelling of 30003000123 in words is "thirty billion, three million, one hundred twenty-three", and thus it is an aban number.