343240023 has 8 divisors (see below), whose sum is σ = 523032448. Its totient is φ = 196137144.

The previous prime is 343239973. The next prime is 343240097. The reversal of 343240023 is 320042343.

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

It is not a de Polignac number, because 343240023 - 2¹² = 343235927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 16344763 = 343240023 / (3 + 4 + 3 + 2 + 4 + 0 + 0 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343240123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8172361 + ... + 8172402.

It is an arithmetic number, because the mean of its divisors is an integer number (65379056).

Almost surely, 2^343240023 is an apocalyptic number.

343240023 is a deficient number, since it is larger than the sum of its proper divisors (179792425).

343240023 is a wasteful number, since it uses less digits than its factorization.

343240023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16344773.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 343240023 is about 18526.7380561177. The cubic root of 343240023 is about 700.1632428805.

Adding to 343240023 its reverse (320042343), we get a palindrome (663282366).

The spelling of 343240023 in words is "three hundred forty-three million, two hundred forty thousand, twenty-three".