6423653 has 8 divisors (see below), whose sum is σ = 6890400. Its totient is φ = 5969808.

The previous prime is 6423649. The next prime is 6423661. The reversal of 6423653 is 3563246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6423653 - 2² = 6423649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6423623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2183 + ... + 4196.

It is an arithmetic number, because the mean of its divisors is an integer number (861300).

Almost surely, 2^6423653 is an apocalyptic number.

It is an amenable number.

6423653 is a deficient number, since it is larger than the sum of its proper divisors (466747).

6423653 is a wasteful number, since it uses less digits than its factorization.

6423653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451.

The product of its digits is 12960, while the sum is 29.

The square root of 6423653 is about 2534.4926513999. The cubic root of 6423653 is about 185.8919961101.

Adding to 6423653 its reverse (3563246), we get a palindrome (9986899).

The spelling of 6423653 in words is "six million, four hundred twenty-three thousand, six hundred fifty-three".