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123323310331 = 1331306013177
BaseRepresentation
bin111001011011010100…
…1000110000011111011
3102210022121120021020021
41302312221012003323
54010031231412311
6132353130311311
711624031561544
oct1626651060373
9383277507207
10123323310331
1148334880391
121ba98888537
13b82486b7a0
145d7c86d4cb
15331bb10171
hex1cb6a460fb

123323310331 has 8 divisors (see below), whose sum is σ = 137093903744. Its totient is φ = 110164743360.

The previous prime is 123323310329. The next prime is 123323310361. The reversal of 123323310331 is 133013323321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123323310331 - 21 = 123323310329 is a prime.

It is a super-2 number, since 2×1233233103312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123323310296 and 123323310305.

It is not an unprimeable number, because it can be changed into a prime (123323310361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153006186 + ... + 153006991.

It is an arithmetic number, because the mean of its divisors is an integer number (17136737968).

Almost surely, 2123323310331 is an apocalyptic number.

123323310331 is a deficient number, since it is larger than the sum of its proper divisors (13770593413).

123323310331 is a wasteful number, since it uses less digits than its factorization.

123323310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306013221.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 123323310331 its reverse (133013323321), we get a palindrome (256336633652).

The spelling of 123323310331 in words is "one hundred twenty-three billion, three hundred twenty-three million, three hundred ten thousand, three hundred thirty-one".

Divisors: 1 13 31 403 306013177 3978171301 9486408487 123323310331