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123144434452001 = 791918161205809
BaseRepresentation
bin11011111111111111001100…
…010001011000011000100001
3121011000111022100221200200202
4123333333030101120120201
5112120044300204431001
61113523434443554545
734636614612056114
oct3377771421303041
9534014270850622
10123144434452001
1136268296974496
121198a271b2ba55
135393616455051
14225a3184ba57b
15e3840905c96b
hex6fffcc458621

123144434452001 has 8 divisors (see below), whose sum is σ = 125356121241600. Its totient is φ = 120949070074560.

The previous prime is 123144434451979. The next prime is 123144434452003. The reversal of 123144434452001 is 100254434441321.

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 123144434452001 - 222 = 123144430257697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123144434452003) 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, 4080587816 + ... + 4080617993.

It is an arithmetic number, because the mean of its divisors is an integer number (15669515155200).

Almost surely, 2123144434452001 is an apocalyptic number.

It is an amenable number.

123144434452001 is a deficient number, since it is larger than the sum of its proper divisors (2211686789599).

123144434452001 is an equidigital number, since it uses as much as digits as its factorization.

123144434452001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8161206079.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 123144434452001 its reverse (100254434441321), we get a palindrome (223398868893322).

The spelling of 123144434452001 in words is "one hundred twenty-three trillion, one hundred forty-four billion, four hundred thirty-four million, four hundred fifty-two thousand, one".

Divisors: 1 79 191 15089 8161205809 644735258911 1558790309519 123144434452001