423313032321 has 12 divisors (see below), whose sum is σ = 611543492820. Its totient is φ = 282166533600.

The previous prime is 423313032299. The next prime is 423313032343. The reversal of 423313032321 is 123230313324.

423313032321 is a `hidden beast` number, since 4 + 2 + 3 + 31 + 303 + 2 + 321 = 666.

It is an interprime number because it is at equal distance from previous prime (423313032299) and next prime (423313032343).

It can be written as a sum of positive squares in 2 ways, for example, as 313500327921 + 109812704400 = 559911^2 + 331380^2 .

It is not a de Polignac number, because 423313032321 - 2¹³ = 423313024129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423313032371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3449226 + ... + 3569843.

It is an arithmetic number, because the mean of its divisors is an integer number (50961957735).

Almost surely, 2^423313032321 is an apocalyptic number.

It is an amenable number.

423313032321 is a deficient number, since it is larger than the sum of its proper divisors (188230460499).

423313032321 is a wasteful number, since it uses less digits than its factorization.

423313032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025776 (or 7025773 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 423313032321 its reverse (123230313324), we get a palindrome (546543345645).

The spelling of 423313032321 in words is "four hundred twenty-three billion, three hundred thirteen million, thirty-two thousand, three hundred twenty-one".