302149423 has 4 divisors (see below), whose sum is σ = 302233360. Its totient is φ = 302065488.

The previous prime is 302149411. The next prime is 302149427. The reversal of 302149423 is 324941203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 302149423 - 2²¹ = 300052271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302149391 and 302149400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302149427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36315 + ... + 43852.

It is an arithmetic number, because the mean of its divisors is an integer number (75558340).

Almost surely, 2^302149423 is an apocalyptic number.

302149423 is a deficient number, since it is larger than the sum of its proper divisors (83937).

302149423 is an equidigital number, since it uses as much as digits as its factorization.

302149423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83936.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 302149423 is about 17382.4458290541. The cubic root of 302149423 is about 671.0279187005.

The spelling of 302149423 in words is "three hundred two million, one hundred forty-nine thousand, four hundred twenty-three".