13265213623 has 8 divisors (see below), whose sum is σ = 13391762400. Its totient is φ = 13138825728.

The previous prime is 13265213587. The next prime is 13265213653. The reversal of 13265213623 is 32631256231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13265213623 - 2³³ = 4675279031 is a prime.

It is a super-2 number, since 2×13265213623² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13265213653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128838 + ... + 207676.

It is an arithmetic number, because the mean of its divisors is an integer number (1673970300).

Almost surely, 2^13265213623 is an apocalyptic number.

13265213623 is a deficient number, since it is larger than the sum of its proper divisors (126548777).

13265213623 is a wasteful number, since it uses less digits than its factorization.

13265213623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80441.

The product of its digits is 38880, while the sum is 34.

Adding to 13265213623 its reverse (32631256231), we get a palindrome (45896469854).

The spelling of 13265213623 in words is "thirteen billion, two hundred sixty-five million, two hundred thirteen thousand, six hundred twenty-three".