13455123 has 16 divisors (see below), whose sum is σ = 19654272. Its totient is φ = 8120000.

The previous prime is 13455107. The next prime is 13455131. The reversal of 13455123 is 32155431.

It is a cyclic number.

It is not a de Polignac number, because 13455123 - 2⁴ = 13455107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13455093 and 13455102.

It is not an unprimeable number, because it can be changed into a prime (13455103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8548 + ... + 9998.

It is an arithmetic number, because the mean of its divisors is an integer number (1228392).

Almost surely, 2^13455123 is an apocalyptic number.

13455123 is a deficient number, since it is larger than the sum of its proper divisors (6199149).

13455123 is a wasteful number, since it uses less digits than its factorization.

13455123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746.

The product of its digits is 1800, while the sum is 24.

The square root of 13455123 is about 3668.1225442997. The cubic root of 13455123 is about 237.8460212031.

The spelling of 13455123 in words is "thirteen million, four hundred fifty-five thousand, one hundred twenty-three".