13525135423 has 2 divisors, whose sum is σ = 13525135424. Its totient is φ = 13525135422.

The previous prime is 13525135411. The next prime is 13525135439. The reversal of 13525135423 is 32453152531.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13525135423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13525135453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6762567711 + 6762567712.

It is an arithmetic number, because the mean of its divisors is an integer number (6762567712).

Almost surely, 2^13525135423 is an apocalyptic number.

13525135423 is a deficient number, since it is larger than the sum of its proper divisors (1).

13525135423 is an equidigital number, since it uses as much as digits as its factorization.

13525135423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 34.

Adding to 13525135423 its reverse (32453152531), we get a palindrome (45978287954).

The spelling of 13525135423 in words is "thirteen billion, five hundred twenty-five million, one hundred thirty-five thousand, four hundred twenty-three".