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120231032123 = 584920555827
BaseRepresentation
bin110111111111001010…
…0111111010100111011
3102111100002220020222202
41233332110333110323
53432213121011443
6131122224140415
711454302624306
oct1577624772473
9374302806882
10120231032123
1146a98312a64
121b37516770b
13b451018377
145b67cc5b3d
1531da3de7b8
hex1bfe53f53b

120231032123 has 4 divisors (see below), whose sum is σ = 120251593800. Its totient is φ = 120210470448.

The previous prime is 120231032113. The next prime is 120231032167. The reversal of 120231032123 is 321230132021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321230132021 = 516762169563.

It is a cyclic number.

It is not a de Polignac number, because 120231032123 - 24 = 120231032107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120231032095 and 120231032104.

It is not an unprimeable number, because it can be changed into a prime (120231032113) 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, 10272065 + ... + 10283762.

It is an arithmetic number, because the mean of its divisors is an integer number (30062898450).

Almost surely, 2120231032123 is an apocalyptic number.

120231032123 is a deficient number, since it is larger than the sum of its proper divisors (20561677).

120231032123 is an equidigital number, since it uses as much as digits as its factorization.

120231032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20561676.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 120231032123 its reverse (321230132021), we get a palindrome (441461164144).

The spelling of 120231032123 in words is "one hundred twenty billion, two hundred thirty-one million, thirty-two thousand, one hundred twenty-three".

Divisors: 1 5849 20555827 120231032123