106521323 has 2 divisors, whose sum is σ = 106521324. Its totient is φ = 106521322.

The previous prime is 106521307. The next prime is 106521329. The reversal of 106521323 is 323125601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106521323 - 2⁴ = 106521307 is a prime.

It is a super-2 number, since 2×106521323² = 22693584507340658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106521329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53260661 + 53260662.

It is an arithmetic number, because the mean of its divisors is an integer number (53260662).

Almost surely, 2^106521323 is an apocalyptic number.

106521323 is a deficient number, since it is larger than the sum of its proper divisors (1).

106521323 is an equidigital number, since it uses as much as digits as its factorization.

106521323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 106521323 is about 10320.9167712951. The cubic root of 106521323 is about 474.0369377233.

Adding to 106521323 its reverse (323125601), we get a palindrome (429646924).

The spelling of 106521323 in words is "one hundred six million, five hundred twenty-one thousand, three hundred twenty-three".