343406001223 has 2 divisors, whose sum is σ = 343406001224. Its totient is φ = 343406001222.

The previous prime is 343406001157. The next prime is 343406001229. The reversal of 343406001223 is 322100604343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343406001223 - 2³⁷ = 205967047751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343406001191 and 343406001200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343406001229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171703000611 + 171703000612.

It is an arithmetic number, because the mean of its divisors is an integer number (171703000612).

Almost surely, 2^343406001223 is an apocalyptic number.

343406001223 is a deficient number, since it is larger than the sum of its proper divisors (1).

343406001223 is an equidigital number, since it uses as much as digits as its factorization.

343406001223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 343406001223 its reverse (322100604343), we get a palindrome (665506605566).

The spelling of 343406001223 in words is "three hundred forty-three billion, four hundred six million, one thousand, two hundred twenty-three".