30123201302103 has 96 divisors (see below), whose sum is σ = 50786689382400. Its totient is φ = 15867934992000.

The previous prime is 30123201302093. The next prime is 30123201302167. The reversal of 30123201302103 is 30120310232103.

It is not a de Polignac number, because 30123201302103 - 2⁴ = 30123201302087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30123201302103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123201302903) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 130484325 + ... + 130714977.

It is an arithmetic number, because the mean of its divisors is an integer number (529028014400).

Almost surely, 2^{30123201302103} is an apocalyptic number.

30123201302103 is a deficient number, since it is larger than the sum of its proper divisors (20663488080297).

30123201302103 is a wasteful number, since it uses less digits than its factorization.

30123201302103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231454 (or 231427 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30123201302103 its reverse (30120310232103), we get a palindrome (60243511534206).

The spelling of 30123201302103 in words is "thirty trillion, one hundred twenty-three billion, two hundred one million, three hundred two thousand, one hundred three".