223493 has 2 divisors, whose sum is σ = 223494. Its totient is φ = 223492.

The previous prime is 223481. The next prime is 223507. The reversal of 223493 is 394322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134689 + 88804 = 367^2 + 298^2 .

It is a cyclic number.

It is not a de Polignac number, because 223493 - 2⁶ = 223429 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111746 + 111747.

It is an arithmetic number, because the mean of its divisors is an integer number (111747).

2²²³⁴⁹³ is an apocalyptic number.

It is an amenable number.

223493 is a deficient number, since it is larger than the sum of its proper divisors (1).

223493 is an equidigital number, since it uses as much as digits as its factorization.

223493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 223493 is about 472.7504627179. The cubic root of 223493 is about 60.6859248659.

The spelling of 223493 in words is "two hundred twenty-three thousand, four hundred ninety-three".