6501423 has 8 divisors (see below), whose sum is σ = 8967600. Its totient is φ = 4184768.

The previous prime is 6501421. The next prime is 6501431. The reversal of 6501423 is 3241056.

It is a happy number.

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 6501423 - 2¹ = 6501421 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 6501423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501421) 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, 37278 + ... + 37451.

It is an arithmetic number, because the mean of its divisors is an integer number (1120950).

Almost surely, 2^6501423 is an apocalyptic number.

6501423 is a deficient number, since it is larger than the sum of its proper divisors (2466177).

6501423 is a wasteful number, since it uses less digits than its factorization.

6501423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74761.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 6501423 is about 2549.7888147845. The cubic root of 6501423 is about 186.6391757276.

Adding to 6501423 its reverse (3241056), we get a palindrome (9742479).

The spelling of 6501423 in words is "six million, five hundred one thousand, four hundred twenty-three".