305140455223 has 8 divisors (see below), whose sum is σ = 305707598096. Its totient is φ = 304573651200.

The previous prime is 305140455211. The next prime is 305140455313. The reversal of 305140455223 is 322554041503.

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 305140455223 - 2⁹ = 305140454711 is a prime.

It is a super-2 number, since 2×305140455223² (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 (305140455203) 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, 1754953 + ... + 1920973.

It is an arithmetic number, because the mean of its divisors is an integer number (38213449762).

Almost surely, 2^305140455223 is an apocalyptic number.

305140455223 is a deficient number, since it is larger than the sum of its proper divisors (567142873).

305140455223 is a wasteful number, since it uses less digits than its factorization.

305140455223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169425.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 305140455223 its reverse (322554041503), we get a palindrome (627694496726).

The spelling of 305140455223 in words is "three hundred five billion, one hundred forty million, four hundred fifty-five thousand, two hundred twenty-three".