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13123341142123 = 83158112543881
BaseRepresentation
bin1011111011111000010000…
…0101100100100001101011
31201110120122012121202010111
42332332010011210201223
53210003100313021443
643524440225155151
72523062425122052
oct276760405444153
951416565552114
1013123341142123
1141aa639a4a3a3
12157b48448bab7
137426ab12b454
1433525cdb7399
1517b57cb1a69d
hexbef8416486b

13123341142123 has 4 divisors (see below), whose sum is σ = 13281453686088. Its totient is φ = 12965228598160.

The previous prime is 13123341142103. The next prime is 13123341142141. The reversal of 13123341142123 is 32124114332131.

13123341142123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13123341142123 - 29 = 13123341141611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123341142103) 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, 79056271858 + ... + 79056272023.

It is an arithmetic number, because the mean of its divisors is an integer number (3320363421522).

Almost surely, 213123341142123 is an apocalyptic number.

13123341142123 is a deficient number, since it is larger than the sum of its proper divisors (158112543965).

13123341142123 is an equidigital number, since it uses as much as digits as its factorization.

13123341142123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158112543964.

The product of its digits is 10368, while the sum is 31.

Adding to 13123341142123 its reverse (32124114332131), we get a palindrome (45247455474254).

The spelling of 13123341142123 in words is "thirteen trillion, one hundred twenty-three billion, three hundred forty-one million, one hundred forty-two thousand, one hundred twenty-three".

Divisors: 1 83 158112543881 13123341142123