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13123310223 = 343101731087
BaseRepresentation
bin11000011100011010…
…11101001010001111
31020212120211020021210
430032031131022033
5203334031411343
610010114025503
7643131203442
oct141615351217
936776736253
1013123310223
115624848231
122662b78293
131311ab752a
148c6ca7659
1551c1ad333
hex30e35d28f

13123310223 has 8 divisors (see below), whose sum is σ = 17904671488. Its totient is φ = 8545411224.

The previous prime is 13123310141. The next prime is 13123310227. The reversal of 13123310223 is 32201332131.

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

It is not a de Polignac number, because 13123310223 - 29 = 13123309711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13123310223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123310227) 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, 50865415 + ... + 50865672.

It is an arithmetic number, because the mean of its divisors is an integer number (2238083936).

Almost surely, 213123310223 is an apocalyptic number.

13123310223 is a deficient number, since it is larger than the sum of its proper divisors (4781361265).

13123310223 is a wasteful number, since it uses less digits than its factorization.

13123310223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101731133.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13123310223 its reverse (32201332131), we get a palindrome (45324642354).

The spelling of 13123310223 in words is "thirteen billion, one hundred twenty-three million, three hundred ten thousand, two hundred twenty-three".

Divisors: 1 3 43 129 101731087 305193261 4374436741 13123310223