13405405351223 has 8 divisors (see below), whose sum is σ = 13508493648768. Its totient is φ = 13302571280184.

The previous prime is 13405405351211. The next prime is 13405405351253. The reversal of 13405405351223 is 32215350450431.

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 13405405351223 - 2¹² = 13405405347127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405405351253) 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, 63450761 + ... + 63661682.

It is an arithmetic number, because the mean of its divisors is an integer number (1688561706096).

Almost surely, 2^{13405405351223} is an apocalyptic number.

13405405351223 is a deficient number, since it is larger than the sum of its proper divisors (103088297545).

13405405351223 is a wasteful number, since it uses less digits than its factorization.

13405405351223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127113253.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 13405405351223 in words is "thirteen trillion, four hundred five billion, four hundred five million, three hundred fifty-one thousand, two hundred twenty-three".