303123045040 has 160 divisors (see below), whose sum is σ = 724852981440. Its totient is φ = 117848752128.

The previous prime is 303123045037. The next prime is 303123045053. The reversal of 303123045040 is 40540321303.

It is a junction number, because it is equal to n+sod(n) for n = 303123044996 and 303123045014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374688156 + ... + 374688964.

It is an arithmetic number, because the mean of its divisors is an integer number (4530331134).

Almost surely, 2^303123045040 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 303123045040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362426490720).

303123045040 is an abundant number, since it is smaller than the sum of its proper divisors (421729936400).

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

303123045040 is a wasteful number, since it uses less digits than its factorization.

303123045040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 303123045040 its reverse (40540321303), we get a palindrome (343663366343).

The spelling of 303123045040 in words is "three hundred three billion, one hundred twenty-three million, forty-five thousand, forty".