223453405 has 16 divisors (see below), whose sum is σ = 306722304. Its totient is φ = 153089280.

The previous prime is 223453367. The next prime is 223453493. The reversal of 223453405 is 504354322.

223453405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-223453405 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52300 + ... + 56410.

It is an arithmetic number, because the mean of its divisors is an integer number (19170144).

Almost surely, 2^223453405 is an apocalyptic number.

It is an amenable number.

223453405 is a deficient number, since it is larger than the sum of its proper divisors (83268899).

223453405 is a wasteful number, since it uses less digits than its factorization.

223453405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5676.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 223453405 is about 14948.3579365762. The cubic root of 223453405 is about 606.8234085934.

It can be divided in two parts, 223 and 453405, that added together give a triangular number (453628 = T₉₅₂).

The spelling of 223453405 in words is "two hundred twenty-three million, four hundred fifty-three thousand, four hundred five".