13123421133532 has 24 divisors (see below), whose sum is σ = 23122351495040. Its totient is φ = 6517051052400.

The previous prime is 13123421133523. The next prime is 13123421133619. The reversal of 13123421133532 is 23533112432131.

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, 1268323 + ... + 5277829.

Almost surely, 2^{13123421133532} is an apocalyptic number.

It is an amenable number.

13123421133532 is a deficient number, since it is larger than the sum of its proper divisors (9998930361508).

13123421133532 is a wasteful number, since it uses less digits than its factorization.

13123421133532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015081 (or 4015079 counting only the distinct ones).

The product of its digits is 38880, while the sum is 34.

Adding to 13123421133532 its reverse (23533112432131), we get a palindrome (36656533565663).

The spelling of 13123421133532 in words is "thirteen trillion, one hundred twenty-three billion, four hundred twenty-one million, one hundred thirty-three thousand, five hundred thirty-two".