6465723 has 8 divisors (see below), whose sum is σ = 9404736. Its totient is φ = 3918600.

The previous prime is 6465707. The next prime is 6465733. The reversal of 6465723 is 3275646.

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

It is not a de Polignac number, because 6465723 - 2⁴ = 6465707 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 195931 = 6465723 / (6 + 4 + 6 + 5 + 7 + 2 + 3).

It is an Ulam number.

It is a d-powerful number, because it can be written as 6² + 4³ + 6⁸ + 5³ + 7⁴ + 2⁹ + 3¹⁴ .

It is not an unprimeable number, because it can be changed into a prime (6465703) 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, 97933 + ... + 97998.

It is an arithmetic number, because the mean of its divisors is an integer number (1175592).

Almost surely, 2^6465723 is an apocalyptic number.

6465723 is a deficient number, since it is larger than the sum of its proper divisors (2939013).

6465723 is a wasteful number, since it uses less digits than its factorization.

6465723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195945.

The product of its digits is 30240, while the sum is 33.

The square root of 6465723 is about 2542.7785983054. The cubic root of 6465723 is about 186.2969300534.

The spelling of 6465723 in words is "six million, four hundred sixty-five thousand, seven hundred twenty-three".