13923453 has 4 divisors (see below), whose sum is σ = 18564608. Its totient is φ = 9282300.

The previous prime is 13923439. The next prime is 13923457. The reversal of 13923453 is 35432931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13923453 - 2⁶ = 13923389 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 13923453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13923457) 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, 2320573 + ... + 2320578.

It is an arithmetic number, because the mean of its divisors is an integer number (4641152).

Almost surely, 2^13923453 is an apocalyptic number.

It is an amenable number.

13923453 is a deficient number, since it is larger than the sum of its proper divisors (4641155).

13923453 is an equidigital number, since it uses as much as digits as its factorization.

13923453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4641154.

The product of its digits is 9720, while the sum is 30.

The square root of 13923453 is about 3731.4143431144. The cubic root of 13923453 is about 240.5741635002.

The spelling of 13923453 in words is "thirteen million, nine hundred twenty-three thousand, four hundred fifty-three".