213467143 has 2 divisors, whose sum is σ = 213467144. Its totient is φ = 213467142.

The previous prime is 213467141. The next prime is 213467161. The reversal of 213467143 is 341764312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213467143 - 2¹ = 213467141 is a prime.

It is a super-2 number, since 2×213467143² = 91136442281164898, which contains 22 as substring.

Together with 213467141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213467141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106733571 + 106733572.

It is an arithmetic number, because the mean of its divisors is an integer number (106733572).

Almost surely, 2^213467143 is an apocalyptic number.

213467143 is a deficient number, since it is larger than the sum of its proper divisors (1).

213467143 is an equidigital number, since it uses as much as digits as its factorization.

213467143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 213467143 is about 14610.5148095473. The cubic root of 213467143 is about 597.6455349461.

The spelling of 213467143 in words is "two hundred thirteen million, four hundred sixty-seven thousand, one hundred forty-three".