340143383 has 4 divisors (see below), whose sum is σ = 341642040. Its totient is φ = 338644728.

The previous prime is 340143367. The next prime is 340143467. The reversal of 340143383 is 383341043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 383341043 = 281 ⋅1364203.

It is a cyclic number.

It is not a de Polignac number, because 340143383 - 2⁴ = 340143367 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 (340143313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748988 + ... + 749441.

It is an arithmetic number, because the mean of its divisors is an integer number (85410510).

Almost surely, 2^340143383 is an apocalyptic number.

340143383 is a deficient number, since it is larger than the sum of its proper divisors (1498657).

340143383 is a wasteful number, since it uses less digits than its factorization.

340143383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498656.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 340143383 is about 18442.9765222428. The cubic root of 340143383 is about 698.0513032791.

The spelling of 340143383 in words is "three hundred forty million, one hundred forty-three thousand, three hundred eighty-three".