13154140523 has 2 divisors, whose sum is σ = 13154140524. Its totient is φ = 13154140522.

The previous prime is 13154140513. The next prime is 13154140579. The reversal of 13154140523 is 32504145131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13154140523 - 2²² = 13149946219 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13154140513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577070261 + 6577070262.

It is an arithmetic number, because the mean of its divisors is an integer number (6577070262).

Almost surely, 2^13154140523 is an apocalyptic number.

13154140523 is a deficient number, since it is larger than the sum of its proper divisors (1).

13154140523 is an equidigital number, since it uses as much as digits as its factorization.

13154140523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 13154140523 its reverse (32504145131), we get a palindrome (45658285654).

The spelling of 13154140523 in words is "thirteen billion, one hundred fifty-four million, one hundred forty thousand, five hundred twenty-three".