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123303320131 = 2811187369673
BaseRepresentation
bin111001011010101110…
…0110101101001000011
3102210021012221122211111
41302311130311221003
54010011122221011
6132351134024151
711623366633225
oct1626534655103
9383235848744
10123303320131
1148324567462
121ba92048057
13b82068c974
145d79d48415
153319eb2121
hex1cb5735a43

123303320131 has 8 divisors (see below), whose sum is σ = 123846704784. Its totient is φ = 122760677760.

The previous prime is 123303320117. The next prime is 123303320141. The reversal of 123303320131 is 131023303321.

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 123303320131 - 213 = 123303311939 is a prime.

It is a super-2 number, since 2×1233033201312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123303320141) 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, 148711 + ... + 518383.

It is an arithmetic number, because the mean of its divisors is an integer number (15480838098).

Almost surely, 2123303320131 is an apocalyptic number.

123303320131 is a deficient number, since it is larger than the sum of its proper divisors (543384653).

123303320131 is a wasteful number, since it uses less digits than its factorization.

123303320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371141.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123303320131 its reverse (131023303321), we get a palindrome (254326623452).

The spelling of 123303320131 in words is "one hundred twenty-three billion, three hundred three million, three hundred twenty thousand, one hundred thirty-one".

Divisors: 1 281 1187 333547 369673 103878113 438801851 123303320131