Search a number
-
+
123230102123 = 147183773013
BaseRepresentation
bin111001011000100010…
…1100010001001101011
3102210002010011210121102
41302301011202021223
54004333401231443
6132340000432015
711621520404522
oct1626105421153
9383063153542
10123230102123
11482971a8707
121ba7161860b
13b80b4654bb
145d703294b9
15331384ccb8
hex1cb116226b

123230102123 has 4 divisors (see below), whose sum is σ = 123313876608. Its totient is φ = 123146327640.

The previous prime is 123230102089. The next prime is 123230102159. The reversal of 123230102123 is 321201032321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123230102123 - 26 = 123230102059 is a prime.

It is a super-3 number, since 3×1232301021233 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123230102095 and 123230102104.

It is not an unprimeable number, because it can be changed into a prime (123230102173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41885036 + ... + 41887977.

It is an arithmetic number, because the mean of its divisors is an integer number (30828469152).

Almost surely, 2123230102123 is an apocalyptic number.

123230102123 is a deficient number, since it is larger than the sum of its proper divisors (83774485).

123230102123 is an equidigital number, since it uses as much as digits as its factorization.

123230102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83774484.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123230102123 its reverse (321201032321), we get a palindrome (444431134444).

The spelling of 123230102123 in words is "one hundred twenty-three billion, two hundred thirty million, one hundred two thousand, one hundred twenty-three".

Divisors: 1 1471 83773013 123230102123