13204343023123 has 12 divisors (see below), whose sum is σ = 15855642973632. Its totient is φ = 10952911262160.

The previous prime is 13204343023093. The next prime is 13204343023147. The reversal of 13204343023123 is 32132034340231.

It is a happy number.

It is not a de Polignac number, because 13204343023123 - 2³⁷ = 13066904069651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (13204343024123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4346391840 + ... + 4346394877.

It is an arithmetic number, because the mean of its divisors is an integer number (1321303581136).

Almost surely, 2^{13204343023123} is an apocalyptic number.

13204343023123 is a deficient number, since it is larger than the sum of its proper divisors (2651299950509).

13204343023123 is an equidigital number, since it uses as much as digits as its factorization.

13204343023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8692786762 (or 8692786755 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 13204343023123 its reverse (32132034340231), we get a palindrome (45336377363354).

The spelling of 13204343023123 in words is "thirteen trillion, two hundred four billion, three hundred forty-three million, twenty-three thousand, one hundred twenty-three".