323140423042 has 16 divisors (see below), whose sum is σ = 493994608632. Its totient is φ = 158477263360.

The previous prime is 323140423027. The next prime is 323140423049. The reversal of 323140423042 is 240324041323.

It can be written as a sum of positive squares in 4 ways, for example, as 298346456521 + 24793966521 = 546211^2 + 157461^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 323140423042.

It is not an unprimeable number, because it can be changed into a prime (323140423049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46063 + ... + 805234.

Almost surely, 2^323140423042 is an apocalyptic number.

323140423042 is a deficient number, since it is larger than the sum of its proper divisors (170854185590).

323140423042 is a wasteful number, since it uses less digits than its factorization.

323140423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854933.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 323140423042 its reverse (240324041323), we get a palindrome (563464464365).

The spelling of 323140423042 in words is "three hundred twenty-three billion, one hundred forty million, four hundred twenty-three thousand, forty-two".