13473923 has 4 divisors (see below), whose sum is σ = 13518120. Its totient is φ = 13429728.

The previous prime is 13473919. The next prime is 13473949. The reversal of 13473923 is 32937431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32937431 = 19 ⋅1733549.

It is a cyclic number.

It is not a de Polignac number, because 13473923 - 2² = 13473919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13473923.

It is not an unprimeable number, because it can be changed into a prime (13473973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21638 + ... + 22251.

It is an arithmetic number, because the mean of its divisors is an integer number (3379530).

Almost surely, 2^13473923 is an apocalyptic number.

13473923 is a deficient number, since it is larger than the sum of its proper divisors (44197).

13473923 is an equidigital number, since it uses as much as digits as its factorization.

13473923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44196.

The product of its digits is 13608, while the sum is 32.

The square root of 13473923 is about 3670.6842686344. The cubic root of 13473923 is about 237.9567454289.

The spelling of 13473923 in words is "thirteen million, four hundred seventy-three thousand, nine hundred twenty-three".