923653 has 2 divisors, whose sum is σ = 923654. Its totient is φ = 923652.

The previous prime is 923641. The next prime is 923687. The reversal of 923653 is 356329.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 736164 + 187489 = 858^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 923653 - 2⁹ = 923141 is a prime.

923653 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (923603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461826 + 461827.

It is an arithmetic number, because the mean of its divisors is an integer number (461827).

2⁹²³⁶⁵³ is an apocalyptic number.

It is an amenable number.

923653 is a deficient number, since it is larger than the sum of its proper divisors (1).

923653 is an equidigital number, since it uses as much as digits as its factorization.

923653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 28.

The square root of 923653 is about 961.0686760060. The cubic root of 923653 is about 97.3874396845.

The spelling of 923653 in words is "nine hundred twenty-three thousand, six hundred fifty-three".