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12443244402423 = 3292087257926573
BaseRepresentation
bin1011010100010010101100…
…1010011001011011110111
31122001120012002121201201110
42311010223022121123313
53112332231031334143
642244203023530103
72422665124166352
oct265045312313367
948046162551643
1012443244402423
113a6817208585a
12148b701459933
136c35152c7613
143103831b5299
15168a26070533
hexb512b2996f7

12443244402423 has 32 divisors (see below), whose sum is σ = 17178624115200. Its totient is φ = 8002201590656.

The previous prime is 12443244402401. The next prime is 12443244402431. The reversal of 12443244402423 is 32420444234421.

It is a cyclic number.

It is not a de Polignac number, because 12443244402423 - 28 = 12443244402167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443244402473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468253165 + ... + 468279737.

It is an arithmetic number, because the mean of its divisors is an integer number (536832003600).

Almost surely, 212443244402423 is an apocalyptic number.

12443244402423 is a deficient number, since it is larger than the sum of its proper divisors (4735379712777).

12443244402423 is a wasteful number, since it uses less digits than its factorization.

12443244402423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31271.

The product of its (nonzero) digits is 589824, while the sum is 39.

Adding to 12443244402423 its reverse (32420444234421), we get a palindrome (44863688636844).

The spelling of 12443244402423 in words is "twelve trillion, four hundred forty-three billion, two hundred forty-four million, four hundred two thousand, four hundred twenty-three".

Divisors: 1 3 29 87 2087 2579 6261 7737 26573 60523 74791 79719 181569 224373 770617 2311851 5382373 16147119 55457851 68531767 156088817 166373553 205595301 468266451 1608277679 1987421243 4824833037 5962263729 143025797729 429077393187 4147748134141 12443244402423