212943383 has 2 divisors, whose sum is σ = 212943384. Its totient is φ = 212943382.

The previous prime is 212943373. The next prime is 212943427. The reversal of 212943383 is 383349212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212943383 - 2¹⁴ = 212926999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212943373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106471691 + 106471692.

It is an arithmetic number, because the mean of its divisors is an integer number (106471692).

Almost surely, 2^212943383 is an apocalyptic number.

212943383 is a deficient number, since it is larger than the sum of its proper divisors (1).

212943383 is an equidigital number, since it uses as much as digits as its factorization.

212943383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 212943383 is about 14592.5797239556. The cubic root of 212943383 is about 597.1563430576.

The spelling of 212943383 in words is "two hundred twelve million, nine hundred forty-three thousand, three hundred eighty-three".