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123320120310121 = 773241330959511
BaseRepresentation
bin11100000010100010110011…
…111101101111100101101001
3121011122021210012212222211211
4130002202303331233211221
5112130434101244410441
61114140251533353121
734655404354163110
oct3402426375574551
9534567705788754
10123320120310121
1136325850a69a59
12119b83229387a1
1353a7064368207
142264a2334ac77
15e3cc8cb3ba81
hex7028b3f6f969

123320120310121 has 8 divisors (see below), whose sum is σ = 142867928031104. Its totient is φ = 104254974508320.

The previous prime is 123320120310073. The next prime is 123320120310181. The reversal of 123320120310121 is 121013021023321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123320120310121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123320120310092 and 123320120310101.

It is not an unprimeable number, because it can be changed into a prime (123320120310181) 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, 120665479245 + ... + 120665480266.

It is an arithmetic number, because the mean of its divisors is an integer number (17858491003888).

Almost surely, 2123320120310121 is an apocalyptic number.

It is an amenable number.

123320120310121 is a deficient number, since it is larger than the sum of its proper divisors (19547807720983).

123320120310121 is an equidigital number, since it uses as much as digits as its factorization.

123320120310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241330959591.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 123320120310121 its reverse (121013021023321), we get a palindrome (244333141333442).

The spelling of 123320120310121 in words is "one hundred twenty-three trillion, three hundred twenty billion, one hundred twenty million, three hundred ten thousand, one hundred twenty-one".

Divisors: 1 7 73 511 241330959511 1689316716577 17617160044303 123320120310121