212423232349 has 2 divisors, whose sum is σ = 212423232350. Its totient is φ = 212423232348.

The previous prime is 212423232341. The next prime is 212423232419. The reversal of 212423232349 is 943232324212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196918500025 + 15504732324 = 443755^2 + 124518^2 .

It is a cyclic number.

It is not a de Polignac number, because 212423232349 - 2³ = 212423232341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212423232341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106211616174 + 106211616175.

It is an arithmetic number, because the mean of its divisors is an integer number (106211616175).

Almost surely, 2^212423232349 is an apocalyptic number.

It is an amenable number.

212423232349 is a deficient number, since it is larger than the sum of its proper divisors (1).

212423232349 is an equidigital number, since it uses as much as digits as its factorization.

212423232349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 37.

The spelling of 212423232349 in words is "two hundred twelve billion, four hundred twenty-three million, two hundred thirty-two thousand, three hundred forty-nine".