13123134004 has 24 divisors (see below), whose sum is σ = 23355375680. Its totient is φ = 6451087104.

The previous prime is 13123133981. The next prime is 13123134097. The reversal of 13123134004 is 40043132131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57309 + ... + 171844.

Almost surely, 2^13123134004 is an apocalyptic number.

It is an amenable number.

13123134004 is a deficient number, since it is larger than the sum of its proper divisors (10232241676).

13123134004 is a wasteful number, since it uses less digits than its factorization.

13123134004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229399 (or 229397 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13123134004 its reverse (40043132131), we get a palindrome (53166266135).

The spelling of 13123134004 in words is "thirteen billion, one hundred twenty-three million, one hundred thirty-four thousand, four".