303023412 has 36 divisors (see below), whose sum is σ = 766625860. Its totient is φ = 100922112.

The previous prime is 303023401. The next prime is 303023423. The reversal of 303023412 is 214320303.

It is an interprime number because it is at equal distance from previous prime (303023401) and next prime (303023423).

It can be written as a sum of positive squares in 2 ways, for example, as 151142436 + 151880976 = 12294^2 + 12324^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50778 + ... + 56430.

Almost surely, 2^303023412 is an apocalyptic number.

It is an amenable number.

303023412 is an abundant number, since it is smaller than the sum of its proper divisors (463602448).

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

303023412 is a wasteful number, since it uses less digits than its factorization.

303023412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152 (or 7147 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 303023412 is about 17407.5676646681. The cubic root of 303023412 is about 671.6742947561.

Adding to 303023412 its reverse (214320303), we get a palindrome (517343715).

The spelling of 303023412 in words is "three hundred three million, twenty-three thousand, four hundred twelve".