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3123223 = 172101107
BaseRepresentation
bin1011111010100000010111
312212200020221
423322200113
51244420343
6150535211
735355415
oct13724027
95780227
103123223
111843584
121067507
1385477c
145b42b5
1541a5ed
hex2fa817

3123223 has 12 divisors (see below), whose sum is σ = 3381912. Its totient is φ = 2883200.

The previous prime is 3123221. The next prime is 3123227. The reversal of 3123223 is 3223213.

It is not a de Polignac number, because 3123223 - 21 = 3123221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3123197 and 3123206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123221) 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, 29136 + ... + 29242.

It is an arithmetic number, because the mean of its divisors is an integer number (281826).

Almost surely, 23123223 is an apocalyptic number.

3123223 is a deficient number, since it is larger than the sum of its proper divisors (258689).

3123223 is a wasteful number, since it uses less digits than its factorization.

3123223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 225 counting only the distinct ones).

The product of its digits is 216, while the sum is 16.

The square root of 3123223 is about 1767.2642699947. The cubic root of 3123223 is about 146.1731697655.

Adding to 3123223 its reverse (3223213), we get a palindrome (6346436).

The spelling of 3123223 in words is "three million, one hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 17 101 107 289 1717 1819 10807 29189 30923 183719 3123223