13123414134352 has 20 divisors (see below), whose sum is σ = 26113820694196. Its totient is φ = 6384363632640.

The previous prime is 13123414134331. The next prime is 13123414134379. The reversal of 13123414134352 is 25343141432131.

It can be written as a sum of positive squares in 2 ways, for example, as 12535026954256 + 588387180096 = 3540484^2 + 767064^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11083964049 + ... + 11083965232.

Almost surely, 2^{13123414134352} is an apocalyptic number.

It is an amenable number.

13123414134352 is a deficient number, since it is larger than the sum of its proper divisors (12990406559844).

13123414134352 is a wasteful number, since it uses less digits than its factorization.

13123414134352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22167929326 (or 22167929320 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

Adding to 13123414134352 its reverse (25343141432131), we get a palindrome (38466555566483).

The spelling of 13123414134352 in words is "thirteen trillion, one hundred twenty-three billion, four hundred fourteen million, one hundred thirty-four thousand, three hundred fifty-two".