304423400144 has 20 divisors (see below), whose sum is σ = 624515652324. Its totient is φ = 143258070528.

The previous prime is 304423400137. The next prime is 304423400201. The reversal of 304423400144 is 441004324403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 280518529600 + 23904870544 = 529640^2 + 154612^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559601567 + ... + 559602110.

Almost surely, 2^304423400144 is an apocalyptic number.

304423400144 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

304423400144 is an abundant number, since it is smaller than the sum of its proper divisors (320092252180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304423400144 is a wasteful number, since it uses less digits than its factorization.

304423400144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119203702 (or 1119203696 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 304423400144 its reverse (441004324403), we get a palindrome (745427724547).

The spelling of 304423400144 in words is "three hundred four billion, four hundred twenty-three million, four hundred thousand, one hundred forty-four".