12303231404 has 12 divisors (see below), whose sum is σ = 21532908264. Its totient is φ = 6150971904.

The previous prime is 12303231403. The next prime is 12303231419. The reversal of 12303231404 is 40413230321.

It is a super-2 number, since 2×12303231404² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12303231404.

It is not an unprimeable number, because it can be changed into a prime (12303231403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116594 + ... + 195449.

It is an arithmetic number, because the mean of its divisors is an integer number (1794409022).

Almost surely, 2^12303231404 is an apocalyptic number.

It is an amenable number.

12303231404 is a deficient number, since it is larger than the sum of its proper divisors (9229676860).

12303231404 is a wasteful number, since it uses less digits than its factorization.

12303231404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321904 (or 321902 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12303231404 its reverse (40413230321), we get a palindrome (52716461725).

The spelling of 12303231404 in words is "twelve billion, three hundred three million, two hundred thirty-one thousand, four hundred four".