302140423 has 8 divisors (see below), whose sum is σ = 326207168. Its totient is φ = 278191584.

The previous prime is 302140369. The next prime is 302140459. The reversal of 302140423 is 324041203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 302140423 - 2²⁵ = 268585991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 302140423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302140123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24111 + ... + 34432.

It is an arithmetic number, because the mean of its divisors is an integer number (40775896).

Almost surely, 2^302140423 is an apocalyptic number.

302140423 is a deficient number, since it is larger than the sum of its proper divisors (24066745).

302140423 is a wasteful number, since it uses less digits than its factorization.

302140423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58953.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 302140423 is about 17382.1869452609. The cubic root of 302140423 is about 671.0212560906.

Adding to 302140423 its reverse (324041203), we get a palindrome (626181626).

The spelling of 302140423 in words is "three hundred two million, one hundred forty thousand, four hundred twenty-three".