660000225323 has 4 divisors (see below), whose sum is σ = 671186669880. Its totient is φ = 648813780768.

The previous prime is 660000225281. The next prime is 660000225337. The reversal of 660000225323 is 323522000066.

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 660000225323 - 2²⁶ = 659933116459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660000225343) 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, 5593222190 + ... + 5593222307.

It is an arithmetic number, because the mean of its divisors is an integer number (167796667470).

Almost surely, 2^660000225323 is an apocalyptic number.

660000225323 is a deficient number, since it is larger than the sum of its proper divisors (11186444557).

660000225323 is a wasteful number, since it uses less digits than its factorization.

660000225323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11186444556.

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

Adding to 660000225323 its reverse (323522000066), we get a palindrome (983522225389).

The spelling of 660000225323 in words is "six hundred sixty billion, two hundred twenty-five thousand, three hundred twenty-three".