212746705723 has 2 divisors, whose sum is σ = 212746705724. Its totient is φ = 212746705722.

The previous prime is 212746705673. The next prime is 212746705753. The reversal of 212746705723 is 327507647212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212746705723 is a prime.

It is a super-2 number, since 2×212746705723² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212746705753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106373352861 + 106373352862.

It is an arithmetic number, because the mean of its divisors is an integer number (106373352862).

Almost surely, 2^212746705723 is an apocalyptic number.

212746705723 is a deficient number, since it is larger than the sum of its proper divisors (1).

212746705723 is an equidigital number, since it uses as much as digits as its factorization.

212746705723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 212746705723 in words is "two hundred twelve billion, seven hundred forty-six million, seven hundred five thousand, seven hundred twenty-three".