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123313443401231 = 891399967944661
BaseRepresentation
bin11100000010011100100101…
…111111010110111000001111
3121011121122112220002212201222
4130002130211333112320033
5112130331413002314411
61114133225220153555
734655050040325326
oct3402344577267017
9534548486085658
10123313443401231
1136322a35030536
12119b6b7a8388bb
1353a653bc86455
14226458c6950bd
15e3c9eb8934db
hex702725fd6e0f

123313443401231 has 8 divisors (see below), whose sum is σ = 125596102741200. Its totient is φ = 121050719951040.

The previous prime is 123313443401221. The next prime is 123313443401279. The reversal of 123313443401231 is 132104344313321.

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 123313443401231 - 210 = 123313443400207 is a prime.

It is a super-2 number, since 2×1233134434012312 (a number of 29 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 = 123313443401191 and 123313443401200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123313443401221) 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, 4983959960 + ... + 4983984701.

It is an arithmetic number, because the mean of its divisors is an integer number (15699512842650).

Almost surely, 2123313443401231 is an apocalyptic number.

123313443401231 is a deficient number, since it is larger than the sum of its proper divisors (2282659339969).

123313443401231 is an equidigital number, since it uses as much as digits as its factorization.

123313443401231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9967944889.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 123313443401231 its reverse (132104344313321), we get a palindrome (255417787714552).

The spelling of 123313443401231 in words is "one hundred twenty-three trillion, three hundred thirteen billion, four hundred forty-three million, four hundred one thousand, two hundred thirty-one".

Divisors: 1 89 139 12371 9967944661 887147074829 1385544307879 123313443401231