13429123 has 4 divisors (see below), whose sum is σ = 13441408. Its totient is φ = 13416840.

The previous prime is 13429111. The next prime is 13429139. The reversal of 13429123 is 32192431.

13429123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13429123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13429103) 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, 4323 + ... + 6748.

It is an arithmetic number, because the mean of its divisors is an integer number (3360352).

Almost surely, 2^13429123 is an apocalyptic number.

13429123 is a deficient number, since it is larger than the sum of its proper divisors (12285).

13429123 is a wasteful number, since it uses less digits than its factorization.

13429123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12284.

The product of its digits is 1296, while the sum is 25.

The square root of 13429123 is about 3664.5767832043. The cubic root of 13429123 is about 237.6927218725.

The spelling of 13429123 in words is "thirteen million, four hundred twenty-nine thousand, one hundred twenty-three".