305145602423 has 8 divisors (see below), whose sum is σ = 323100732240. Its totient is φ = 287191071360.

The previous prime is 305145602383. The next prime is 305145602431. The reversal of 305145602423 is 324206541503.

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 305145602423 - 2¹⁰ = 305145601399 is a prime.

It is a super-2 number, since 2×305145602423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305145602483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301753 + ... + 1518173.

It is an arithmetic number, because the mean of its divisors is an integer number (40387591530).

Almost surely, 2^305145602423 is an apocalyptic number.

305145602423 is a deficient number, since it is larger than the sum of its proper divisors (17955129817).

305145602423 is a wasteful number, since it uses less digits than its factorization.

305145602423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299377.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 305145602423 in words is "three hundred five billion, one hundred forty-five million, six hundred two thousand, four hundred twenty-three".