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123013522303 = 7217831408009
BaseRepresentation
bin111001010010000101…
…1010110001101111111
3102202112000122101221121
41302210023112031333
54003412430203203
6132302302411411
711613250454500
oct1624413261577
9382460571847
10123013522303
1148195a21021
121ba10b90b67
13b7a5624769
145d4d66cba7
1532ee81b0bd
hex1ca42d637f

123013522303 has 12 divisors (see below), whose sum is σ = 143177720880. Its totient is φ = 105380950752.

The previous prime is 123013522189. The next prime is 123013522319. The reversal of 123013522303 is 303225310321.

It is not a de Polignac number, because 123013522303 - 229 = 122476651391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013522343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616638 + ... + 791371.

It is an arithmetic number, because the mean of its divisors is an integer number (11931476740).

Almost surely, 2123013522303 is an apocalyptic number.

123013522303 is a deficient number, since it is larger than the sum of its proper divisors (20164198577).

123013522303 is a wasteful number, since it uses less digits than its factorization.

123013522303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409806 (or 1409799 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 123013522303 its reverse (303225310321), we get a palindrome (426238832624).

The spelling of 123013522303 in words is "one hundred twenty-three billion, thirteen million, five hundred twenty-two thousand, three hundred three".

Divisors: 1 7 49 1783 12481 87367 1408009 9856063 68992441 2510480047 17573360329 123013522303