13432111523 has 4 divisors (see below), whose sum is σ = 13435652880. Its totient is φ = 13428570168.

The previous prime is 13432111501. The next prime is 13432111547. The reversal of 13432111523 is 32511123431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32511123431 = 149939 ⋅216829.

It is a cyclic number.

It is not a de Polignac number, because 13432111523 - 2¹⁶ = 13432045987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13432111492 and 13432111501.

It is not an unprimeable number, because it can be changed into a prime (13432111223) 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, 1764983 + ... + 1772576.

It is an arithmetic number, because the mean of its divisors is an integer number (3358913220).

Almost surely, 2^13432111523 is an apocalyptic number.

13432111523 is a deficient number, since it is larger than the sum of its proper divisors (3541357).

13432111523 is an equidigital number, since it uses as much as digits as its factorization.

13432111523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541356.

The product of its digits is 2160, while the sum is 26.

Adding to 13432111523 its reverse (32511123431), we get a palindrome (45943234954).

The spelling of 13432111523 in words is "thirteen billion, four hundred thirty-two million, one hundred eleven thousand, five hundred twenty-three".