13525440323 has 2 divisors, whose sum is σ = 13525440324. Its totient is φ = 13525440322.

The previous prime is 13525440293. The next prime is 13525440361. The reversal of 13525440323 is 32304452531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13525440323 - 2⁶ = 13525440259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13525440323.

It is not a weakly prime, because it can be changed into another prime (13525440223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6762720161 + 6762720162.

It is an arithmetic number, because the mean of its divisors is an integer number (6762720162).

Almost surely, 2^13525440323 is an apocalyptic number.

13525440323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13525440323 is an equidigital number, since it uses as much as digits as its factorization.

13525440323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 13525440323 its reverse (32304452531), we get a palindrome (45829892854).

The spelling of 13525440323 in words is "thirteen billion, five hundred twenty-five million, four hundred forty thousand, three hundred twenty-three".