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123223223101 = 11172123092819
BaseRepresentation
bin111001011000010101…
…1010010101100111101
3102210001122020022100211
41302300223102230331
54004330121114401
6132335153152421
711621405054206
oct1626053225475
9383048208324
10123223223101
114829332a370
121ba6b25b711
13b809bc7384
145d6d4585ad
153312e3e951
hex1cb0ad2b3d

123223223101 has 16 divisors (see below), whose sum is σ = 134609428800. Its totient is φ = 111867836800.

The previous prime is 123223223089. The next prime is 123223223131. The reversal of 123223223101 is 101322322321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123223223101 is a prime.

It is a super-2 number, since 2×1232232231012 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123223223131) 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, 43710270 + ... + 43713088.

It is an arithmetic number, because the mean of its divisors is an integer number (8413089300).

Almost surely, 2123223223101 is an apocalyptic number.

123223223101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123223223101 is a deficient number, since it is larger than the sum of its proper divisors (11386205699).

123223223101 is a wasteful number, since it uses less digits than its factorization.

123223223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6860.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123223223101 its reverse (101322322321), we get a palindrome (224545545422).

The spelling of 123223223101 in words is "one hundred twenty-three billion, two hundred twenty-three million, two hundred twenty-three thousand, one hundred one".

Divisors: 1 11 1721 2309 2819 18931 25399 31009 3973789 4851499 6509071 43711679 53366489 71599781 11202111191 123223223101