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123262138841 is a prime number
BaseRepresentation
bin111001011001011111…
…1101111100111011001
3102210011100110102201112
41302302333233213121
54004420101420331
6132343103230105
711622356615162
oct1626277574731
9383140412645
10123262138841
114830329a336
121ba802a8335
13b814ca153a
145d746a8769
15331657a32b
hex1cb2fef9d9

123262138841 has 2 divisors, whose sum is σ = 123262138842. Its totient is φ = 123262138840.

The previous prime is 123262138823. The next prime is 123262138847. The reversal of 123262138841 is 148831262321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93779875225 + 29482263616 = 306235^2 + 171704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123262138841 is a prime.

It is not a weakly prime, because it can be changed into another prime (123262138847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61631069420 + 61631069421.

It is an arithmetic number, because the mean of its divisors is an integer number (61631069421).

Almost surely, 2123262138841 is an apocalyptic number.

It is an amenable number.

123262138841 is a deficient number, since it is larger than the sum of its proper divisors (1).

123262138841 is an equidigital number, since it uses as much as digits as its factorization.

123262138841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 41.

The spelling of 123262138841 in words is "one hundred twenty-three billion, two hundred sixty-two million, one hundred thirty-eight thousand, eight hundred forty-one".