403230432321 has 12 divisors (see below), whose sum is σ = 607767608448. Its totient is φ = 257132449464.

The previous prime is 403230432307. The next prime is 403230432323. The reversal of 403230432321 is 123234032304.

403230432321 is a `hidden beast` number, since 4 + 0 + 3 + 2 + 304 + 32 + 321 = 666.

It is not a de Polignac number, because 403230432321 - 2⁹ = 403230431809 is a prime.

It is a super-2 number, since 2×403230432321² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (403230432323) 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 11 ways as a sum of consecutive naturals, for example, 973986345 + ... + 973986758.

It is an arithmetic number, because the mean of its divisors is an integer number (50647300704).

Almost surely, 2^403230432321 is an apocalyptic number.

It is an amenable number.

403230432321 is a deficient number, since it is larger than the sum of its proper divisors (204537176127).

403230432321 is a wasteful number, since it uses less digits than its factorization.

403230432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947973132 (or 1947973129 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 403230432321 its reverse (123234032304), we get a palindrome (526464464625).

The spelling of 403230432321 in words is "four hundred three billion, two hundred thirty million, four hundred thirty-two thousand, three hundred twenty-one".