999999240343 has 8 divisors (see below), whose sum is σ = 1054234970208. Its totient is φ = 946659969024.

The previous prime is 999999240337. The next prime is 999999240349. The reversal of 999999240343 is 343042999999.

It is an interprime number because it is at equal distance from previous prime (999999240337) and next prime (999999240349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 999999240343 - 2⁵ = 999999240311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999999240349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224112346 + ... + 224116807.

It is an arithmetic number, because the mean of its divisors is an integer number (131779371276).

Almost surely, 2^999999240343 is an apocalyptic number.

999999240343 is a deficient number, since it is larger than the sum of its proper divisors (54235729865).

999999240343 is a wasteful number, since it uses less digits than its factorization.

999999240343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448229273.

The product of its (nonzero) digits is 153055008, while the sum is 70.

The spelling of 999999240343 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, two hundred forty thousand, three hundred forty-three".