13140402323 has 2 divisors, whose sum is σ = 13140402324. Its totient is φ = 13140402322.

The previous prime is 13140402313. The next prime is 13140402329. The reversal of 13140402323 is 32320404131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13140402323 - 2²⁴ = 13123625107 is a prime.

It is not a weakly prime, because it can be changed into another prime (13140402329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570201161 + 6570201162.

It is an arithmetic number, because the mean of its divisors is an integer number (6570201162).

Almost surely, 2^13140402323 is an apocalyptic number.

13140402323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13140402323 is an equidigital number, since it uses as much as digits as its factorization.

13140402323 is an evil number, because the sum of its binary digits is even.

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

Adding to 13140402323 its reverse (32320404131), we get a palindrome (45460806454).

The spelling of 13140402323 in words is "thirteen billion, one hundred forty million, four hundred two thousand, three hundred twenty-three".