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123311324201 = 1343492181073
BaseRepresentation
bin111001011010111101…
…1010111110000101001
3102210021210000022100112
41302311323113300221
54010020144333301
6132352021344105
711623524650552
oct1626573276051
9383253008315
10123311324201
1148329033a9a
121ba94868035
13b822232bc0
145d7b02d329
15331aa439bb
hex1cb5ed7c29

123311324201 has 8 divisors (see below), whose sum is σ = 132827406600. Its totient is φ = 113799612672.

The previous prime is 123311324189. The next prime is 123311324237. The reversal of 123311324201 is 102423113321.

It can be written as a sum of positive squares in 4 ways, for example, as 2398648576 + 120912675625 = 48976^2 + 347725^2 .

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 123311324201 - 214 = 123311307817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123311324291) 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, 1034000 + ... + 1147073.

It is an arithmetic number, because the mean of its divisors is an integer number (16603425825).

Almost surely, 2123311324201 is an apocalyptic number.

It is an amenable number.

123311324201 is a deficient number, since it is larger than the sum of its proper divisors (9516082399).

123311324201 is a wasteful number, since it uses less digits than its factorization.

123311324201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185435.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 123311324201 its reverse (102423113321), we get a palindrome (225734437522).

The spelling of 123311324201 in words is "one hundred twenty-three billion, three hundred eleven million, three hundred twenty-four thousand, two hundred one".

Divisors: 1 13 4349 56537 2181073 28353949 9485486477 123311324201