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123113314211 = 711733990341
BaseRepresentation
bin111001010101000100…
…0000001011110100011
3102202202222102100201012
41302222020001132203
54004114002023321
6132320225331135
711615601622136
oct1625210013643
9382688370635
10123113314211
1148237290178
121ba3a496aab
13b7c01c4624
145d5ca0821d
15330847e05b
hex1caa2017a3

123113314211 has 4 divisors (see below), whose sum is σ = 124847304624. Its totient is φ = 121379323800.

The previous prime is 123113314189. The next prime is 123113314217. The reversal of 123113314211 is 112413311321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112413311321 = 412741788081.

It is a cyclic number.

It is not a de Polignac number, because 123113314211 - 230 = 122039572387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123113314217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866995100 + ... + 866995241.

It is an arithmetic number, because the mean of its divisors is an integer number (31211826156).

Almost surely, 2123113314211 is an apocalyptic number.

123113314211 is a deficient number, since it is larger than the sum of its proper divisors (1733990413).

123113314211 is an equidigital number, since it uses as much as digits as its factorization.

123113314211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733990412.

The product of its digits is 432, while the sum is 23.

Adding to 123113314211 its reverse (112413311321), we get a palindrome (235526625532).

The spelling of 123113314211 in words is "one hundred twenty-three billion, one hundred thirteen million, three hundred fourteen thousand, two hundred eleven".

Divisors: 1 71 1733990341 123113314211