30123110123 has 8 divisors (see below), whose sum is σ = 30865254336. Its totient is φ = 29381320000.

The previous prime is 30123110117. The next prime is 30123110137. The reversal of 30123110123 is 32101132103.

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 30123110123 - 2¹⁰ = 30123109099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30123110113) 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, 87998 + ... + 260748.

It is an arithmetic number, because the mean of its divisors is an integer number (3858156792).

Almost surely, 2^30123110123 is an apocalyptic number.

30123110123 is a deficient number, since it is larger than the sum of its proper divisors (742144213).

30123110123 is a wasteful number, since it uses less digits than its factorization.

30123110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177045.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30123110123 its reverse (32101132103), we get a palindrome (62224242226).

The spelling of 30123110123 in words is "thirty billion, one hundred twenty-three million, one hundred ten thousand, one hundred twenty-three".