6653723 has 2 divisors, whose sum is σ = 6653724. Its totient is φ = 6653722.

The previous prime is 6653711. The next prime is 6653761. The reversal of 6653723 is 3273566.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6653723 - 2⁴ = 6653707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6653723.

It is not a weakly prime, because it can be changed into another prime (6653123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3326861 + 3326862.

It is an arithmetic number, because the mean of its divisors is an integer number (3326862).

Almost surely, 2^6653723 is an apocalyptic number.

6653723 is a deficient number, since it is larger than the sum of its proper divisors (1).

6653723 is an equidigital number, since it uses as much as digits as its factorization.

6653723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 32.

The square root of 6653723 is about 2579.4811493787. The cubic root of 6653723 is about 188.0853222944.

It can be divided in two parts, 66537 and 23, that multiplied together give a palindrome (1530351).

The spelling of 6653723 in words is "six million, six hundred fifty-three thousand, seven hundred twenty-three".