13123231132304 has 40 divisors (see below), whose sum is σ = 25780830456960. Its totient is φ = 6470324684928.

The previous prime is 13123231132301. The next prime is 13123231132339. The reversal of 13123231132304 is 40323113232131.

It is not an unprimeable number, because it can be changed into a prime (13123231132301) 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, 5601359 + ... + 7590894.

It is an arithmetic number, because the mean of its divisors is an integer number (644520761424).

Almost surely, 2^{13123231132304} is an apocalyptic number.

It is an amenable number.

13123231132304 is a deficient number, since it is larger than the sum of its proper divisors (12657599324656).

13123231132304 is a wasteful number, since it uses less digits than its factorization.

13123231132304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13193127 (or 13193121 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 13123231132304 its reverse (40323113232131), we get a palindrome (53446344364435).

The spelling of 13123231132304 in words is "thirteen trillion, one hundred twenty-three billion, two hundred thirty-one million, one hundred thirty-two thousand, three hundred four".