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123213323 = 2341193677
BaseRepresentation
bin1110101100000…
…01011000001011
322120211212220102
413112001120023
5223020311243
620120520015
73024203342
oct726013013
9276755812
10123213323
1163606aa2
123532000b
131c6b06bc
1412514b59
15ac3c9b8
hex758160b

123213323 has 16 divisors (see below), whose sum is σ = 132584256. Its totient is φ = 114216960.

The previous prime is 123213289. The next prime is 123213401. The reversal of 123213323 is 323312321.

It is a cyclic number.

It is not a de Polignac number, because 123213323 - 220 = 122164747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123213295 and 123213304.

It is not an unprimeable number, because it can be changed into a prime (123213523) 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, 181661 + ... + 182337.

It is an arithmetic number, because the mean of its divisors is an integer number (8286516).

Almost surely, 2123213323 is an apocalyptic number.

123213323 is a deficient number, since it is larger than the sum of its proper divisors (9370933).

123213323 is a wasteful number, since it uses less digits than its factorization.

123213323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934.

The product of its digits is 648, while the sum is 20.

The square root of 123213323 is about 11100.1496836754. The cubic root of 123213323 is about 497.6063229066.

Adding to 123213323 its reverse (323312321), we get a palindrome (446525644).

The spelling of 123213323 in words is "one hundred twenty-three million, two hundred thirteen thousand, three hundred twenty-three".

Divisors: 1 23 41 193 677 943 4439 7913 15571 27757 130661 181999 638411 3005203 5357101 123213323