212662343 has 2 divisors, whose sum is σ = 212662344. Its totient is φ = 212662342.

The previous prime is 212662339. The next prime is 212662363. The reversal of 212662343 is 343266212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212662343 - 2² = 212662339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212662363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106331171 + 106331172.

It is an arithmetic number, because the mean of its divisors is an integer number (106331172).

Almost surely, 2^212662343 is an apocalyptic number.

212662343 is a deficient number, since it is larger than the sum of its proper divisors (1).

212662343 is an equidigital number, since it uses as much as digits as its factorization.

212662343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

The square root of 212662343 is about 14582.9469929778. The cubic root of 212662343 is about 596.8935209223.

The spelling of 212662343 in words is "two hundred twelve million, six hundred sixty-two thousand, three hundred forty-three".