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13323440123 = 72714370123
BaseRepresentation
bin11000110100010001…
…11000111111111011
31021101112101212220022
430122020320333323
5204241300040443
610042023321055
7651111241520
oct143210707773
937345355808
1013323440123
115717809844
1226b9bb018b
1313443b89a6
149056c1147
1552ea40e68
hex31a238ffb

13323440123 has 8 divisors (see below), whose sum is σ = 15227566848. Its totient is φ = 11419507944.

The previous prime is 13323440113. The next prime is 13323440173. The reversal of 13323440123 is 32104432331.

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 13323440123 - 210 = 13323439099 is a prime.

It is a super-2 number, since 2×133234401232 (a number of 21 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 = 13323440092 and 13323440101.

It is not an unprimeable number, because it can be changed into a prime (13323440113) 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, 154940 + ... + 225062.

It is an arithmetic number, because the mean of its divisors is an integer number (1903445856).

Almost surely, 213323440123 is an apocalyptic number.

13323440123 is a deficient number, since it is larger than the sum of its proper divisors (1904126725).

13323440123 is an equidigital number, since it uses as much as digits as its factorization.

13323440123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97273.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 13323440123 its reverse (32104432331), we get a palindrome (45427872454).

The spelling of 13323440123 in words is "thirteen billion, three hundred twenty-three million, four hundred forty thousand, one hundred twenty-three".

Divisors: 1 7 27143 70123 190001 490861 1903348589 13323440123