343223013 has 64 divisors (see below), whose sum is σ = 574801920. Its totient is φ = 177715200.

The previous prime is 343222987. The next prime is 343223029. The reversal of 343223013 is 310322343.

It is not a de Polignac number, because 343223013 - 2⁸ = 343222757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343221013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1917358 + ... + 1917536.

It is an arithmetic number, because the mean of its divisors is an integer number (8981280).

Almost surely, 2^343223013 is an apocalyptic number.

It is an amenable number.

343223013 is a deficient number, since it is larger than the sum of its proper divisors (231578907).

343223013 is a wasteful number, since it uses less digits than its factorization.

343223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 343223013 is about 18526.2789841889. The cubic root of 343223013 is about 700.1516766560.

Adding to 343223013 its reverse (310322343), we get a palindrome (653545356).

The spelling of 343223013 in words is "three hundred forty-three million, two hundred twenty-three thousand, thirteen".