13420515323 has 8 divisors (see below), whose sum is σ = 13678179840. Its totient is φ = 13165225920.

The previous prime is 13420515307. The next prime is 13420515337. The reversal of 13420515323 is 32351502431.

It is a happy number.

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 13420515323 - 2⁴ = 13420515307 is a prime.

It is a super-2 number, since 2×13420515323² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13420515923) 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, 582368 + ... + 604973.

It is an arithmetic number, because the mean of its divisors is an integer number (1709772480).

Almost surely, 2^13420515323 is an apocalyptic number.

13420515323 is a deficient number, since it is larger than the sum of its proper divisors (257664517).

13420515323 is a wasteful number, since it uses less digits than its factorization.

13420515323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187557.

The product of its (nonzero) digits is 10800, while the sum is 29.

The spelling of 13420515323 in words is "thirteen billion, four hundred twenty million, five hundred fifteen thousand, three hundred twenty-three".