8120623 has 12 divisors (see below), whose sum is σ = 9544080. Its totient is φ = 6888672.

The previous prime is 8120617. The next prime is 8120641. The reversal of 8120623 is 3260218.

It is not a de Polignac number, because 8120623 - 2⁵ = 8120591 is a prime.

8120623 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8120594 and 8120603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8120653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4243 + ... + 5851.

It is an arithmetic number, because the mean of its divisors is an integer number (795340).

Almost surely, 2^8120623 is an apocalyptic number.

8120623 is a deficient number, since it is larger than the sum of its proper divisors (1423457).

8120623 is a wasteful number, since it uses less digits than its factorization.

8120623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1719 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 8120623 is about 2849.6706827281. The cubic root of 8120623 is about 201.0001815135. Note that the first 3 decimals are identical.

Subtracting from 8120623 its sum of digits (22), we obtain a cube (8120601 = 201³).

The spelling of 8120623 in words is "eight million, one hundred twenty thousand, six hundred twenty-three".