30123232103 has 4 divisors (see below), whose sum is σ = 30187736280. Its totient is φ = 30058727928.

The previous prime is 30123232091. The next prime is 30123232129.

30123232103 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30123232103 - 2¹⁸ = 30122969959 is a prime.

It is a super-2 number, since 2×30123232103² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123232193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32251388 + ... + 32252321.

It is an arithmetic number, because the mean of its divisors is an integer number (7546934070).

Almost surely, 2^30123232103 is an apocalyptic number.

30123232103 is a deficient number, since it is larger than the sum of its proper divisors (64504177).

30123232103 is an equidigital number, since it uses as much as digits as its factorization.

30123232103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64504176.

The product of its (nonzero) digits is 648, while the sum is 20.

The spelling of 30123232103 in words is "thirty billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred three".