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123320303240053 = 17291489167993689
BaseRepresentation
bin11100000010100010111110…
…110111100100001101110101
3121011122022020222002210112111
4130002202332313210031311
5112130434440112140203
61114140322030251021
734655412035103403
oct3402427667441565
9534568228083474
10123320303240053
1136325935252a17
12119b8374056a71
1353a709322688a
142264a3d768473
15e3cc9dc2326d
hex7028bede4375

123320303240053 has 16 divisors (see below), whose sum is σ = 135167722974000. Its totient is φ = 111988624269312.

The previous prime is 123320303240047. The next prime is 123320303240063. The reversal of 123320303240053 is 350042303023321.

It can be written as a sum of positive squares in 8 ways, for example, as 9094864689 + 123311208375364 = 95367^2 + 11104558^2 .

It is a cyclic number.

It is not a de Polignac number, because 123320303240053 - 25 = 123320303240021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123320303239997 and 123320303240024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320303240023) 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, 83262768 + ... + 84730921.

It is an arithmetic number, because the mean of its divisors is an integer number (8447982685875).

Almost surely, 2123320303240053 is an apocalyptic number.

It is an amenable number.

123320303240053 is a deficient number, since it is larger than the sum of its proper divisors (11847419733947).

123320303240053 is a wasteful number, since it uses less digits than its factorization.

123320303240053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167995224.

The product of its (nonzero) digits is 38880, while the sum is 31.

Adding to 123320303240053 its reverse (350042303023321), we get a palindrome (473362606263374).

The spelling of 123320303240053 in words is "one hundred twenty-three trillion, three hundred twenty billion, three hundred three million, two hundred forty thousand, fifty-three".

Divisors: 1 17 29 493 1489 25313 43181 734077 167993689 2855892713 4871816981 82820888677 250142602921 4252424249657 7254135484709 123320303240053