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12273823 = 101121523
BaseRepresentation
bin101110110100…
…100010011111
3212002120112001
4232310202133
511120230243
61115023131
7206216512
oct56644237
925076461
1012273823
116a23561
12413aaa7
132709823
1418b6d79
151126a4d
hexbb489f

12273823 has 4 divisors (see below), whose sum is σ = 12395448. Its totient is φ = 12152200.

The previous prime is 12273803. The next prime is 12273869. The reversal of 12273823 is 32837221.

12273823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12273823 - 29 = 12273311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12273791 and 12273800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12273803) 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, 60661 + ... + 60862.

It is an arithmetic number, because the mean of its divisors is an integer number (3098862).

Almost surely, 212273823 is an apocalyptic number.

12273823 is a deficient number, since it is larger than the sum of its proper divisors (121625).

12273823 is a wasteful number, since it uses less digits than its factorization.

12273823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121624.

The product of its digits is 4032, while the sum is 28.

The square root of 12273823 is about 3503.4016326993. The cubic root of 12273823 is about 230.6711524274.

It can be divided in two parts, 1227 and 3823, that added together give a triangular number (5050 = T100).

The spelling of 12273823 in words is "twelve million, two hundred seventy-three thousand, eight hundred twenty-three".

Divisors: 1 101 121523 12273823