13123420340204 has 24 divisors (see below), whose sum is σ = 23343114726288. Its totient is φ = 6453964866240.

The previous prime is 13123420340197. The next prime is 13123420340207. The reversal of 13123420340204 is 40204302432131.

It is a super-2 number, since 2×13123420340204² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13123420340207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8452079 + ... + 9883545.

It is an arithmetic number, because the mean of its divisors is an integer number (972629780262).

Almost surely, 2^{13123420340204} is an apocalyptic number.

It is an amenable number.

13123420340204 is a deficient number, since it is larger than the sum of its proper divisors (10219694386084).

13123420340204 is a wasteful number, since it uses less digits than its factorization.

13123420340204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469105 (or 1469103 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 13123420340204 its reverse (40204302432131), we get a palindrome (53327722772335).

The spelling of 13123420340204 in words is "thirteen trillion, one hundred twenty-three billion, four hundred twenty million, three hundred forty thousand, two hundred four".