305146423 has 8 divisors (see below), whose sum is σ = 315935360. Its totient is φ = 294416640.

The previous prime is 305146421. The next prime is 305146453. The reversal of 305146423 is 324641503.

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 305146423 - 2¹ = 305146421 is a prime.

It is a super-2 number, since 2×305146423² = 186228678939389858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 305146391 and 305146400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305146421) 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, 4158 + ... + 25051.

It is an arithmetic number, because the mean of its divisors is an integer number (39491920).

Almost surely, 2^305146423 is an apocalyptic number.

305146423 is a deficient number, since it is larger than the sum of its proper divisors (10788937).

305146423 is a wasteful number, since it uses less digits than its factorization.

305146423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29577.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 305146423 is about 17468.4407718605. The cubic root of 305146423 is about 673.2392504617.

Adding to 305146423 its reverse (324641503), we get a palindrome (629787926).

The spelling of 305146423 in words is "three hundred five million, one hundred forty-six thousand, four hundred twenty-three".