304123343111 has 16 divisors (see below), whose sum is σ = 357455462400. Its totient is φ = 258624538200.

The previous prime is 304123343101. The next prime is 304123343207. The reversal of 304123343111 is 111343321403.

It is a de Polignac number, because none of the positive numbers 2^k-304123343111 is a prime.

It is a super-2 number, since 2×304123343111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304123343101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3447215 + ... + 3534336.

It is an arithmetic number, because the mean of its divisors is an integer number (22340966400).

Almost surely, 2^304123343111 is an apocalyptic number.

304123343111 is a deficient number, since it is larger than the sum of its proper divisors (53332119289).

304123343111 is an equidigital number, since it uses as much as digits as its factorization.

304123343111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6981699 (or 6981685 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 304123343111 its reverse (111343321403), we get a palindrome (415466664514).

The spelling of 304123343111 in words is "three hundred four billion, one hundred twenty-three million, three hundred forty-three thousand, one hundred eleven".