8820123 has 16 divisors (see below), whose sum is σ = 13332480. Its totient is φ = 5141664.

The previous prime is 8820121. The next prime is 8820137. The reversal of 8820123 is 3210288.

8820123 = 52² + 53² + ... + 298².

8820123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8820123 - 2¹ = 8820121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8820093 and 8820102.

It is not an unprimeable number, because it can be changed into a prime (8820121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5211 + ... + 6692.

It is an arithmetic number, because the mean of its divisors is an integer number (833280).

Almost surely, 2^8820123 is an apocalyptic number.

8820123 is a deficient number, since it is larger than the sum of its proper divisors (4512357).

8820123 is a wasteful number, since it uses less digits than its factorization.

8820123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11938.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 8820123 is about 2969.8691890385. The cubic root of 8820123 is about 206.6132712676.

The spelling of 8820123 in words is "eight million, eight hundred twenty thousand, one hundred twenty-three".