312300230403 has 16 divisors (see below), whose sum is σ = 476098871040. Its totient is φ = 178377472416.

The previous prime is 312300230399. The next prime is 312300230419. The reversal of 312300230403 is 304032003213.

It is not a de Polignac number, because 312300230403 - 2² = 312300230399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 312300230403.

It is not an unprimeable number, because it can be changed into a prime (312300230003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3276993 + ... + 3370946.

It is an arithmetic number, because the mean of its divisors is an integer number (29756179440).

Almost surely, 2^312300230403 is an apocalyptic number.

312300230403 is a deficient number, since it is larger than the sum of its proper divisors (163798640637).

312300230403 is a wasteful number, since it uses less digits than its factorization.

312300230403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650186.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 312300230403 its reverse (304032003213), we get a palindrome (616332233616).

The spelling of 312300230403 in words is "three hundred twelve billion, three hundred million, two hundred thirty thousand, four hundred three".