12435141355523 has 4 divisors (see below), whose sum is σ = 12549225221280. Its totient is φ = 12321057489768.

The previous prime is 12435141355517. The next prime is 12435141355547. The reversal of 12435141355523 is 32555314153421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12435141355523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12435141355513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57041932715 + ... + 57041932932.

It is an arithmetic number, because the mean of its divisors is an integer number (3137306305320).

Almost surely, 2^{12435141355523} is an apocalyptic number.

12435141355523 is a deficient number, since it is larger than the sum of its proper divisors (114083865757).

12435141355523 is a wasteful number, since it uses less digits than its factorization.

12435141355523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114083865756.

The product of its digits is 1080000, while the sum is 44.

The spelling of 12435141355523 in words is "twelve trillion, four hundred thirty-five billion, one hundred forty-one million, three hundred fifty-five thousand, five hundred twenty-three".