340303213223 has 2 divisors, whose sum is σ = 340303213224. Its totient is φ = 340303213222.

The previous prime is 340303213181. The next prime is 340303213231. The reversal of 340303213223 is 322312303043.

It is a strong prime.

It is an emirp because it is prime and its reverse (322312303043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340303213223 - 2¹⁰ = 340303212199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340303213192 and 340303213201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340303216223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170151606611 + 170151606612.

It is an arithmetic number, because the mean of its divisors is an integer number (170151606612).

Almost surely, 2^340303213223 is an apocalyptic number.

340303213223 is a deficient number, since it is larger than the sum of its proper divisors (1).

340303213223 is an equidigital number, since it uses as much as digits as its factorization.

340303213223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 340303213223 its reverse (322312303043), we get a palindrome (662615516266).

The spelling of 340303213223 in words is "three hundred forty billion, three hundred three million, two hundred thirteen thousand, two hundred twenty-three".