13123113404 has 24 divisors (see below), whose sum is σ = 24196623360. Its totient is φ = 6215332464.

The previous prime is 13123113359. The next prime is 13123113449. The reversal of 13123113404 is 40431132131.

13123113404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13123113359) and next prime (13123113449).

It is a super-2 number, since 2×13123113404² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 13123113404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682964 + ... + 701915.

It is an arithmetic number, because the mean of its divisors is an integer number (1008192640).

Almost surely, 2^13123113404 is an apocalyptic number.

It is an amenable number.

13123113404 is a deficient number, since it is larger than the sum of its proper divisors (11073509956).

13123113404 is a wasteful number, since it uses less digits than its factorization.

13123113404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385009 (or 1385007 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13123113404 its reverse (40431132131), we get a palindrome (53554245535).

The spelling of 13123113404 in words is "thirteen billion, one hundred twenty-three million, one hundred thirteen thousand, four hundred four".