403323231005 has 16 divisors (see below), whose sum is σ = 497254096560. Its totient is φ = 313820946432.

The previous prime is 403323230969. The next prime is 403323231007. The reversal of 403323231005 is 500132323304.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 785008324 + 402538222681 = 28018^2 + 634459^2 .

It is a cyclic number.

It is not a de Polignac number, because 403323231005 - 2⁸ = 403323230749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403323231007) 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 15 ways as a sum of consecutive naturals, for example, 92087 + ... + 902843.

It is an arithmetic number, because the mean of its divisors is an integer number (31078381035).

Almost surely, 2^403323231005 is an apocalyptic number.

It is an amenable number.

403323231005 is a deficient number, since it is larger than the sum of its proper divisors (93930865555).

403323231005 is a wasteful number, since it uses less digits than its factorization.

403323231005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813488.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 403323231005 its reverse (500132323304), we get a palindrome (903455554309).

The spelling of 403323231005 in words is "four hundred three billion, three hundred twenty-three million, two hundred thirty-one thousand, five".