213398743 has 2 divisors, whose sum is σ = 213398744. Its totient is φ = 213398742.

The previous prime is 213398707. The next prime is 213398797. The reversal of 213398743 is 347893312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213398743 - 2⁹ = 213398231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213398696 and 213398705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213398543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106699371 + 106699372.

It is an arithmetic number, because the mean of its divisors is an integer number (106699372).

Almost surely, 2^213398743 is an apocalyptic number.

213398743 is a deficient number, since it is larger than the sum of its proper divisors (1).

213398743 is an equidigital number, since it uses as much as digits as its factorization.

213398743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 213398743 is about 14608.1738420653. The cubic root of 213398743 is about 597.5816947987.

The spelling of 213398743 in words is "two hundred thirteen million, three hundred ninety-eight thousand, seven hundred forty-three".