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1123323223 = 11231299473
BaseRepresentation
bin100001011110100…
…1000110101010111
32220021201201202211
41002331020311113
54300032320343
6303244414251
736560042551
oct10275106527
92807651684
101123323223
115270a5400
12274247387
1314b9588c9
14a92904d1
156894179d
hex42f48d57

1123323223 has 12 divisors (see below), whose sum is σ = 1274561344. Its totient is φ = 988257600.

The previous prime is 1123323221. The next prime is 1123323389. The reversal of 1123323223 is 3223233211.

It is not a de Polignac number, because 1123323223 - 21 = 1123323221 is a prime.

It is a super-2 number, since 2×11233232232 = 2523710126662215458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123323194 and 1123323203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123323221) 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, 145986 + ... + 153487.

Almost surely, 21123323223 is an apocalyptic number.

1123323223 is a deficient number, since it is larger than the sum of its proper divisors (151238121).

1123323223 is a wasteful number, since it uses less digits than its factorization.

1123323223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299526 (or 299515 counting only the distinct ones).

The product of its digits is 1296, while the sum is 22.

The square root of 1123323223 is about 33516.0144259427. The cubic root of 1123323223 is about 1039.5249380466.

Adding to 1123323223 its reverse (3223233211), we get a palindrome (4346556434).

The spelling of 1123323223 in words is "one billion, one hundred twenty-three million, three hundred twenty-three thousand, two hundred twenty-three".

Divisors: 1 11 31 121 341 3751 299473 3294203 9283663 36236233 102120293 1123323223