653306323 has 2 divisors, whose sum is σ = 653306324. Its totient is φ = 653306322.

The previous prime is 653306239. The next prime is 653306333. The reversal of 653306323 is 323603356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 653306323 - 2¹³ = 653298131 is a prime.

It is not a weakly prime, because it can be changed into another prime (653306333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326653161 + 326653162.

It is an arithmetic number, because the mean of its divisors is an integer number (326653162).

Almost surely, 2^653306323 is an apocalyptic number.

653306323 is a deficient number, since it is larger than the sum of its proper divisors (1).

653306323 is an equidigital number, since it uses as much as digits as its factorization.

653306323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 31.

The square root of 653306323 is about 25559.8576482734. The cubic root of 653306323 is about 867.7053739491.

Adding to 653306323 its reverse (323603356), we get a palindrome (976909679).

The spelling of 653306323 in words is "six hundred fifty-three million, three hundred six thousand, three hundred twenty-three".