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123313323 = 377338011
BaseRepresentation
bin1110101100110…
…01110010101011
322121000222002010
413112121302223
5223032011243
620123011003
73025101030
oct726316253
9277028063
10123313323
1163675141
1235369a63
131c717083
141253d387
15ac5c433
hex7599cab

123313323 has 16 divisors (see below), whose sum is σ = 188185856. Its totient is φ = 70359840.

The previous prime is 123313303. The next prime is 123313331. The reversal of 123313323 is 323313321.

It is not a de Polignac number, because 123313323 - 26 = 123313259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123313323.

It is not an unprimeable number, because it can be changed into a prime (123313303) 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, 11388 + ... + 19398.

It is an arithmetic number, because the mean of its divisors is an integer number (11761616).

Almost surely, 2123313323 is an apocalyptic number.

123313323 is a deficient number, since it is larger than the sum of its proper divisors (64872533).

123313323 is an equidigital number, since it uses as much as digits as its factorization.

123313323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8754.

The product of its digits is 972, while the sum is 21.

The square root of 123313323 is about 11104.6532138559. The cubic root of 123313323 is about 497.7409056915.

Adding to 123313323 its reverse (323313321), we get a palindrome (446626644).

The spelling of 123313323 in words is "one hundred twenty-three million, three hundred thirteen thousand, three hundred twenty-three".

Divisors: 1 3 7 21 733 2199 5131 8011 15393 24033 56077 168231 5872063 17616189 41104441 123313323