999323340153442 has 16 divisors (see below), whose sum is σ = 1539636080109120. Its totient is φ = 486113733827568.

The previous prime is 999323340153419. The next prime is 999323340153491. The reversal of 999323340153442 is 244351043323999.

It is a super-2 number, since 2×999323340153442² (a number of 31 digits) contains 22 as substring.

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, 604262928 + ... + 605914459.

It is an arithmetic number, because the mean of its divisors is an integer number (96227255006820).

Almost surely, 2^{999323340153442} is an apocalyptic number.

999323340153442 is a deficient number, since it is larger than the sum of its proper divisors (540312739955678).

999323340153442 is a wasteful number, since it uses less digits than its factorization.

999323340153442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210188585.

The product of its (nonzero) digits is 75582720, while the sum is 61.

The spelling of 999323340153442 in words is "nine hundred ninety-nine trillion, three hundred twenty-three billion, three hundred forty million, one hundred fifty-three thousand, four hundred forty-two".