13123201323 has 16 divisors (see below), whose sum is σ = 18530436096. Its totient is φ = 8232581760.

The previous prime is 13123201309. The next prime is 13123201327. The reversal of 13123201323 is 32310232131.

It is not a de Polignac number, because 13123201323 - 2¹⁶ = 13123135787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13123201323.

It is not an unprimeable number, because it can be changed into a prime (13123201327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279258 + ... + 322848.

It is an arithmetic number, because the mean of its divisors is an integer number (1158152256).

Almost surely, 2^13123201323 is an apocalyptic number.

13123201323 is a deficient number, since it is larger than the sum of its proper divisors (5407234773).

13123201323 is a wasteful number, since it uses less digits than its factorization.

13123201323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49514.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13123201323 its reverse (32310232131), we get a palindrome (45433433454).

The spelling of 13123201323 in words is "thirteen billion, one hundred twenty-three million, two hundred one thousand, three hundred twenty-three".