6723003 has 8 divisors (see below), whose sum is σ = 10244608. Its totient is φ = 3841704.

The previous prime is 6722987. The next prime is 6723023. The reversal of 6723003 is 3003276.

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

It is not a de Polignac number, because 6723003 - 2⁴ = 6722987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 320143 = 6723003 / (6 + 7 + 2 + 3 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6723023) 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, 160051 + ... + 160092.

It is an arithmetic number, because the mean of its divisors is an integer number (1280576).

Almost surely, 2^6723003 is an apocalyptic number.

6723003 is a deficient number, since it is larger than the sum of its proper divisors (3521605).

6723003 is a wasteful number, since it uses less digits than its factorization.

6723003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320153.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 6723003 is about 2592.8754308682. The cubic root of 6723003 is about 188.7358646198.

Adding to 6723003 its reverse (3003276), we get a palindrome (9726279).

The spelling of 6723003 in words is "six million, seven hundred twenty-three thousand, three".