13123523130530 has 8 divisors (see below), whose sum is σ = 23622341634972. Its totient is φ = 5249409252208.

The previous prime is 13123523130517. The next prime is 13123523130563. The reversal of 13123523130530 is 3503132532131.

It can be written as a sum of positive squares in 2 ways, for example, as 11757992994049 + 1365530136481 = 3428993^2 + 1168559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656176156517 + ... + 656176156536.

Almost surely, 2^{13123523130530} is an apocalyptic number.

13123523130530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123523130530 is a deficient number, since it is larger than the sum of its proper divisors (10498818504442).

13123523130530 is a wasteful number, since it uses less digits than its factorization.

13123523130530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312352313060.

The product of its (nonzero) digits is 24300, while the sum is 32.

Adding to 13123523130530 its reverse (3503132532131), we get a palindrome (16626655662661).

The spelling of 13123523130530 in words is "thirteen trillion, one hundred twenty-three billion, five hundred twenty-three million, one hundred thirty thousand, five hundred thirty".