13123006305 has 8 divisors (see below), whose sum is σ = 20996810112. Its totient is φ = 6998936688.

The previous prime is 13123006297. The next prime is 13123006307. The reversal of 13123006305 is 50360032131.

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 13123006305 - 2³ = 13123006297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13123006307) 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, 437433529 + ... + 437433558.

It is an arithmetic number, because the mean of its divisors is an integer number (2624601264).

Almost surely, 2^13123006305 is an apocalyptic number.

13123006305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13123006305 is a deficient number, since it is larger than the sum of its proper divisors (7873803807).

13123006305 is an equidigital number, since it uses as much as digits as its factorization.

13123006305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874867095.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 13123006305 its reverse (50360032131), we get a palindrome (63483038436).

The spelling of 13123006305 in words is "thirteen billion, one hundred twenty-three million, six thousand, three hundred five".