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123032143529 is a prime number
BaseRepresentation
bin111001010010101001…
…0011000011010101001
3102202120022200110110122
41302211102120122221
54003432212043104
6132304205453025
711613564652001
oct1624522303251
9382508613418
10123032143529
11481a548a469
121ba17271175
13b7a9444439
145d51d19001
1533012986be
hex1ca54986a9

123032143529 has 2 divisors, whose sum is σ = 123032143530. Its totient is φ = 123032143528.

The previous prime is 123032143511. The next prime is 123032143541. The reversal of 123032143529 is 925341230321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122104819225 + 927324304 = 349435^2 + 30452^2 .

It is a cyclic number.

It is not a de Polignac number, because 123032143529 - 228 = 122763708073 is a prime.

It is not a weakly prime, because it can be changed into another prime (123032142529) 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 as a sum of consecutive naturals, namely, 61516071764 + 61516071765.

It is an arithmetic number, because the mean of its divisors is an integer number (61516071765).

Almost surely, 2123032143529 is an apocalyptic number.

It is an amenable number.

123032143529 is a deficient number, since it is larger than the sum of its proper divisors (1).

123032143529 is an equidigital number, since it uses as much as digits as its factorization.

123032143529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 123032143529 in words is "one hundred twenty-three billion, thirty-two million, one hundred forty-three thousand, five hundred twenty-nine".