13140302423 has 4 divisors (see below), whose sum is σ = 13156154040. Its totient is φ = 13124450808.

The previous prime is 13140302411. The next prime is 13140302449. The reversal of 13140302423 is 32420304131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32420304131 = 1777 ⋅18244403.

It is a cyclic number.

It is not a de Polignac number, because 13140302423 - 2¹⁸ = 13140040279 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 (13140302453) 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, 7924565 + ... + 7926222.

It is an arithmetic number, because the mean of its divisors is an integer number (3289038510).

Almost surely, 2^13140302423 is an apocalyptic number.

13140302423 is a deficient number, since it is larger than the sum of its proper divisors (15851617).

13140302423 is an equidigital number, since it uses as much as digits as its factorization.

13140302423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15851616.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13140302423 its reverse (32420304131), we get a palindrome (45560606554).

The spelling of 13140302423 in words is "thirteen billion, one hundred forty million, three hundred two thousand, four hundred twenty-three".