303423130240 has 128 divisors (see below), whose sum is σ = 751427798400. Its totient is φ = 117021069312.

The previous prime is 303423130169. The next prime is 303423130247. The reversal of 303423130240 is 42031324303.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (303423130247) 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, 13779079 + ... + 13801081.

It is an arithmetic number, because the mean of its divisors is an integer number (5870529675).

Almost surely, 2^303423130240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 303423130240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375713899200).

303423130240 is an abundant number, since it is smaller than the sum of its proper divisors (448004668160).

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

303423130240 is a wasteful number, since it uses less digits than its factorization.

303423130240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22794 (or 22782 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 303423130240 its reverse (42031324303), we get a palindrome (345454454543).

The spelling of 303423130240 in words is "three hundred three billion, four hundred twenty-three million, one hundred thirty thousand, two hundred forty".