13453401523 has 4 divisors (see below), whose sum is σ = 14038332048. Its totient is φ = 12868471000.

The previous prime is 13453401491. The next prime is 13453401527. The reversal of 13453401523 is 32510435431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13453401523 - 2⁵ = 13453401491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13453401527) 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, 292465228 + ... + 292465273.

It is an arithmetic number, because the mean of its divisors is an integer number (3509583012).

Almost surely, 2^13453401523 is an apocalyptic number.

13453401523 is a deficient number, since it is larger than the sum of its proper divisors (584930525).

13453401523 is an equidigital number, since it uses as much as digits as its factorization.

13453401523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584930524.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 13453401523 its reverse (32510435431), we get a palindrome (45963836954).

The spelling of 13453401523 in words is "thirteen billion, four hundred fifty-three million, four hundred one thousand, five hundred twenty-three".