343823139 has 24 divisors (see below), whose sum is σ = 559263744. Its totient is φ = 201654000.

The previous prime is 343823093. The next prime is 343823143. The reversal of 343823139 is 931328343.

It is not a de Polignac number, because 343823139 - 2¹² = 343819043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (343823339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52947 + ... + 59084.

It is an arithmetic number, because the mean of its divisors is an integer number (23302656).

Almost surely, 2^343823139 is an apocalyptic number.

343823139 is a deficient number, since it is larger than the sum of its proper divisors (215440605).

343823139 is a wasteful number, since it uses less digits than its factorization.

343823139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112079 (or 112076 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 343823139 is about 18542.4685249834. The cubic root of 343823139 is about 700.5595111660.

The spelling of 343823139 in words is "three hundred forty-three million, eight hundred twenty-three thousand, one hundred thirty-nine".