106640323 has 2 divisors, whose sum is σ = 106640324. Its totient is φ = 106640322.

The previous prime is 106640311. The next prime is 106640353. The reversal of 106640323 is 323046601.

It is a weak prime.

It is an emirp because it is prime and its reverse (323046601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106640323 is a prime.

It is a super-2 number, since 2×106640323² = 22744316979088658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106640353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53320161 + 53320162.

It is an arithmetic number, because the mean of its divisors is an integer number (53320162).

Almost surely, 2^106640323 is an apocalyptic number.

106640323 is a deficient number, since it is larger than the sum of its proper divisors (1).

106640323 is an equidigital number, since it uses as much as digits as its factorization.

106640323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 106640323 is about 10326.6801538539. The cubic root of 106640323 is about 474.2133950460.

Adding to 106640323 its reverse (323046601), we get a palindrome (429686924).

The spelling of 106640323 in words is "one hundred six million, six hundred forty thousand, three hundred twenty-three".