30123514205 has 8 divisors (see below), whose sum is σ = 36149151192. Its totient is φ = 24098188608.

The previous prime is 30123514199. The next prime is 30123514237. The reversal of 30123514205 is 50241532103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 744525796 + 29378988409 = 27286^2 + 171403^2 .

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 30123514205 - 2⁴ = 30123514189 is a prime.

It is a super-2 number, since 2×30123514205² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317699 + ... + 401471.

It is an arithmetic number, because the mean of its divisors is an integer number (4518643899).

Almost surely, 2^30123514205 is an apocalyptic number.

It is an amenable number.

30123514205 is a deficient number, since it is larger than the sum of its proper divisors (6025636987).

30123514205 is an equidigital number, since it uses as much as digits as its factorization.

30123514205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155695.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 30123514205 in words is "thirty billion, one hundred twenty-three million, five hundred fourteen thousand, two hundred five".