302423240 has 32 divisors (see below), whose sum is σ = 777660480. Its totient is φ = 103687872.

The previous prime is 302423227. The next prime is 302423243. The reversal of 302423240 is 42324203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (302423243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539762 + ... + 540321.

It is an arithmetic number, because the mean of its divisors is an integer number (24301890).

Almost surely, 2^302423240 is an apocalyptic number.

It is an amenable number.

302423240 is an abundant number, since it is smaller than the sum of its proper divisors (475237240).

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

302423240 is a wasteful number, since it uses less digits than its factorization.

302423240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080101 (or 1080097 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 302423240 is about 17390.3202960728. The cubic root of 302423240 is about 671.2305594717.

Adding to 302423240 its reverse (42324203), we get a palindrome (344747443).

The spelling of 302423240 in words is "three hundred two million, four hundred twenty-three thousand, two hundred forty".