4323140320442 has 16 divisors (see below), whose sum is σ = 6505399209960. Its totient is φ = 2154674404608.

The previous prime is 4323140320417. The next prime is 4323140320451. The reversal of 4323140320442 is 2440230413234.

It can be written as a sum of positive squares in 4 ways, for example, as 3951273303961 + 371867016481 = 1987781^2 + 609809^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4323140320399 and 4323140320408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20370734 + ... + 20581862.

Almost surely, 2^{4323140320442} is an apocalyptic number.

4323140320442 is a deficient number, since it is larger than the sum of its proper divisors (2182258889518).

4323140320442 is a wasteful number, since it uses less digits than its factorization.

4323140320442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243745.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 4323140320442 its reverse (2440230413234), we get a palindrome (6763370733676).

The spelling of 4323140320442 in words is "four trillion, three hundred twenty-three billion, one hundred forty million, three hundred twenty thousand, four hundred forty-two".