304240401223 has 4 divisors (see below), whose sum is σ = 331898619528. Its totient is φ = 276582182920.

The previous prime is 304240401161. The next prime is 304240401271. The reversal of 304240401223 is 322104042403.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304240401223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304240401293) 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, 13829109136 + ... + 13829109157.

It is an arithmetic number, because the mean of its divisors is an integer number (82974654882).

Almost surely, 2^304240401223 is an apocalyptic number.

304240401223 is a deficient number, since it is larger than the sum of its proper divisors (27658218305).

304240401223 is a wasteful number, since it uses less digits than its factorization.

304240401223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27658218304.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 304240401223 its reverse (322104042403), we get a palindrome (626344443626).

The spelling of 304240401223 in words is "three hundred four billion, two hundred forty million, four hundred one thousand, two hundred twenty-three".