106511023 has 4 divisors (see below), whose sum is σ = 106688848. Its totient is φ = 106333200.

The previous prime is 106511003. The next prime is 106511077. The reversal of 106511023 is 320115601.

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 106511023 - 2⁹ = 106510511 is a prime.

It is a super-2 number, since 2×106511023² = 22689196041013058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106511003) 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, 88011 + ... + 89212.

It is an arithmetic number, because the mean of its divisors is an integer number (26672212).

Almost surely, 2^106511023 is an apocalyptic number.

106511023 is a deficient number, since it is larger than the sum of its proper divisors (177825).

106511023 is an equidigital number, since it uses as much as digits as its factorization.

106511023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177824.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 106511023 is about 10320.4177725517. The cubic root of 106511023 is about 474.0216583480.

Adding to 106511023 its reverse (320115601), we get a palindrome (426626624).

The spelling of 106511023 in words is "one hundred six million, five hundred eleven thousand, twenty-three".