106722023 has 4 divisors (see below), whose sum is σ = 109606440. Its totient is φ = 103837608.

The previous prime is 106721999. The next prime is 106722043. The reversal of 106722023 is 320227601.

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 106722023 - 2⁶ = 106721959 is a prime.

It is a super-2 number, since 2×106722023² = 22779180386425058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106722023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106722043) 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, 1442153 + ... + 1442226.

It is an arithmetic number, because the mean of its divisors is an integer number (27401610).

Almost surely, 2^106722023 is an apocalyptic number.

106722023 is a deficient number, since it is larger than the sum of its proper divisors (2884417).

106722023 is an equidigital number, since it uses as much as digits as its factorization.

106722023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884416.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 106722023 is about 10330.6351692430. The cubic root of 106722023 is about 474.3344666488.

Adding to 106722023 its reverse (320227601), we get a palindrome (426949624).

The spelling of 106722023 in words is "one hundred six million, seven hundred twenty-two thousand, twenty-three".