106623820 has 24 divisors (see below), whose sum is σ = 235695600. Its totient is φ = 40404672.

The previous prime is 106623809. The next prime is 106623823. The reversal of 106623820 is 28326601.

It is a super-2 number, since 2×106623820² = 22737277982784800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106623823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139915 + ... + 140674.

It is an arithmetic number, because the mean of its divisors is an integer number (9820650).

Almost surely, 2^106623820 is an apocalyptic number.

106623820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106623820 is an abundant number, since it is smaller than the sum of its proper divisors (129071780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106623820 is a wasteful number, since it uses less digits than its factorization.

106623820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280617 (or 280615 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 106623820 is about 10325.8810762085. The cubic root of 106623820 is about 474.1889316686.

The spelling of 106623820 in words is "one hundred six million, six hundred twenty-three thousand, eight hundred twenty".