669823003 has 4 divisors (see below), whose sum is σ = 674712360. Its totient is φ = 664933648.

The previous prime is 669822971. The next prime is 669823009. The reversal of 669823003 is 300328966.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 669823003 - 2⁵ = 669822971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (669823009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2444473 + ... + 2444746.

It is an arithmetic number, because the mean of its divisors is an integer number (168678090).

Almost surely, 2^669823003 is an apocalyptic number.

669823003 is a deficient number, since it is larger than the sum of its proper divisors (4889357).

669823003 is a wasteful number, since it uses less digits than its factorization.

669823003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4889356.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 669823003 is about 25880.9389899207. The cubic root of 669823003 is about 874.9569515692.

The spelling of 669823003 in words is "six hundred sixty-nine million, eight hundred twenty-three thousand, three".