13143823501 has 32 divisors (see below), whose sum is σ = 14478912000. Its totient is φ = 11893432320.

The previous prime is 13143823489. The next prime is 13143823507. The reversal of 13143823501 is 10532834131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13143823501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143823507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15665640 + ... + 15666478.

It is an arithmetic number, because the mean of its divisors is an integer number (452466000).

Almost surely, 2^13143823501 is an apocalyptic number.

It is an amenable number.

13143823501 is a deficient number, since it is larger than the sum of its proper divisors (1335088499).

13143823501 is a wasteful number, since it uses less digits than its factorization.

13143823501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 13143823501 in words is "thirteen billion, one hundred forty-three million, eight hundred twenty-three thousand, five hundred one".