398310458223 has 32 divisors (see below), whose sum is σ = 564675019200. Its totient is φ = 249346944000.

The previous prime is 398310458197. The next prime is 398310458239. The reversal of 398310458223 is 322854013893.

It is not a de Polignac number, because 398310458223 - 2²⁰ = 398309409647 is a prime.

It is a super-2 number, since 2×398310458223² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398310458263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50673 + ... + 893973.

It is an arithmetic number, because the mean of its divisors is an integer number (17646094350).

Almost surely, 2^398310458223 is an apocalyptic number.

398310458223 is a deficient number, since it is larger than the sum of its proper divisors (166364560977).

398310458223 is a wasteful number, since it uses less digits than its factorization.

398310458223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843483.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 398310458223 in words is "three hundred ninety-eight billion, three hundred ten million, four hundred fifty-eight thousand, two hundred twenty-three".