106681723 has 2 divisors, whose sum is σ = 106681724. Its totient is φ = 106681722.

The previous prime is 106681721. The next prime is 106681727. The reversal of 106681723 is 327186601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106681723 - 2¹ = 106681721 is a prime.

It is a super-2 number, since 2×106681723² = 22761980044497458, which contains 22 as substring.

Together with 106681721, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (106681721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53340861 + 53340862.

It is an arithmetic number, because the mean of its divisors is an integer number (53340862).

Almost surely, 2^106681723 is an apocalyptic number.

106681723 is a deficient number, since it is larger than the sum of its proper divisors (1).

106681723 is an equidigital number, since it uses as much as digits as its factorization.

106681723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 106681723 is about 10328.6844757694. The cubic root of 106681723 is about 474.2747536202.

The spelling of 106681723 in words is "one hundred six million, six hundred eighty-one thousand, seven hundred twenty-three".