343402023 has 16 divisors (see below), whose sum is σ = 485537760. Its totient is φ = 215141376.

The previous prime is 343402009. The next prime is 343402061. The reversal of 343402023 is 320204343.

It is not a de Polignac number, because 343402023 - 2¹² = 343397927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343402093) 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 15 ways as a sum of consecutive naturals, for example, 31411 + ... + 40907.

It is an arithmetic number, because the mean of its divisors is an integer number (30346110).

Almost surely, 2^343402023 is an apocalyptic number.

343402023 is a deficient number, since it is larger than the sum of its proper divisors (142135737).

343402023 is a wasteful number, since it uses less digits than its factorization.

343402023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226.

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

The square root of 343402023 is about 18531.1095998054. The cubic root of 343402023 is about 700.2733782549.

Adding to 343402023 its reverse (320204343), we get a palindrome (663606366).

It can be divided in two parts, 34340 and 2023, that added together give a palindrome (36363).

The spelling of 343402023 in words is "three hundred forty-three million, four hundred two thousand, twenty-three".