340986223 has 2 divisors, whose sum is σ = 340986224. Its totient is φ = 340986222.

The previous prime is 340986211. The next prime is 340986257. The reversal of 340986223 is 322689043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340986223 - 2¹³ = 340978031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340986623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170493111 + 170493112.

It is an arithmetic number, because the mean of its divisors is an integer number (170493112).

Almost surely, 2^340986223 is an apocalyptic number.

340986223 is a deficient number, since it is larger than the sum of its proper divisors (1).

340986223 is an equidigital number, since it uses as much as digits as its factorization.

340986223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 340986223 is about 18465.8122756623. The cubic root of 340986223 is about 698.6273939364.

The spelling of 340986223 in words is "three hundred forty million, nine hundred eighty-six thousand, two hundred twenty-three".