13405460123 has 4 divisors (see below), whose sum is σ = 14624138328. Its totient is φ = 12186781920.

The previous prime is 13405460113. The next prime is 13405460129. The reversal of 13405460123 is 32106450431.

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 13405460123 - 2²⁶ = 13338351259 is a prime.

It is a super-2 number, since 2×13405460123² (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 (13405460129) 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, 609339086 + ... + 609339107.

It is an arithmetic number, because the mean of its divisors is an integer number (3656034582).

Almost surely, 2^13405460123 is an apocalyptic number.

13405460123 is a deficient number, since it is larger than the sum of its proper divisors (1218678205).

13405460123 is a wasteful number, since it uses less digits than its factorization.

13405460123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218678204.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 13405460123 in words is "thirteen billion, four hundred five million, four hundred sixty thousand, one hundred twenty-three".