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13023144123 = 311394640731
BaseRepresentation
bin11000010000011110…
…10110100010111011
31020121121100021020020
430020033112202323
5203132411102443
65552135101523
7640503620133
oct141017264273
936547307206
1013023144123
115583252a30
1226355118a3
1312c7116252
148b7871ac3
155134c4583
hex3083d68bb

13023144123 has 8 divisors (see below), whose sum is σ = 18942755136. Its totient is φ = 7892814600.

The previous prime is 13023144097. The next prime is 13023144139. The reversal of 13023144123 is 32144132031.

It is a happy number.

13023144123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13023144123 - 28 = 13023143867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13023144093 and 13023144102.

It is not an unprimeable number, because it can be changed into a prime (13023144143) 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 in 7 ways as a sum of consecutive naturals, for example, 197320333 + ... + 197320398.

It is an arithmetic number, because the mean of its divisors is an integer number (2367844392).

Almost surely, 213023144123 is an apocalyptic number.

13023144123 is a deficient number, since it is larger than the sum of its proper divisors (5919611013).

13023144123 is a wasteful number, since it uses less digits than its factorization.

13023144123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394640745.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13023144123 its reverse (32144132031), we get a palindrome (45167276154).

The spelling of 13023144123 in words is "thirteen billion, twenty-three million, one hundred forty-four thousand, one hundred twenty-three".

Divisors: 1 3 11 33 394640731 1183922193 4341048041 13023144123