13419823 has 4 divisors (see below), whose sum is σ = 13508848. Its totient is φ = 13330800.

The previous prime is 13419821. The next prime is 13419829. The reversal of 13419823 is 32891431.

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 13419823 - 2¹ = 13419821 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 (13419821) 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 3 ways as a sum of consecutive naturals, for example, 44286 + ... + 44587.

It is an arithmetic number, because the mean of its divisors is an integer number (3377212).

Almost surely, 2^13419823 is an apocalyptic number.

13419823 is a deficient number, since it is larger than the sum of its proper divisors (89025).

13419823 is an equidigital number, since it uses as much as digits as its factorization.

13419823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89024.

The product of its digits is 5184, while the sum is 31.

The square root of 13419823 is about 3663.3076583874. The cubic root of 13419823 is about 237.6378398375.

The spelling of 13419823 in words is "thirteen million, four hundred nineteen thousand, eight hundred twenty-three".