106323531 has 4 divisors (see below), whose sum is σ = 141764712. Its totient is φ = 70882352.

The previous prime is 106323517. The next prime is 106323557. The reversal of 106323531 is 135323601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106323531 - 2⁵ = 106323499 is a prime.

It is a super-2 number, since 2×106323531² = 22609386488615922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106323571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17720586 + ... + 17720591.

It is an arithmetic number, because the mean of its divisors is an integer number (35441178).

Almost surely, 2^106323531 is an apocalyptic number.

106323531 is a deficient number, since it is larger than the sum of its proper divisors (35441181).

106323531 is an equidigital number, since it uses as much as digits as its factorization.

106323531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35441180.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 106323531 is about 10311.3302245637. The cubic root of 106323531 is about 473.7433539166.

The spelling of 106323531 in words is "one hundred six million, three hundred twenty-three thousand, five hundred thirty-one".