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123053588391 = 323277538493
BaseRepresentation
bin111001010011010010…
…0001011111110100111
3102202121211000222021210
41302212210023332213
54004003204312031
6132310253242503
711614245146316
oct1624644137647
9382554028253
10123053588391
11482065a7298
121ba22493433
13b7b0a123c6
145d54adc27d
1533030d2746
hex1ca690bfa7

123053588391 has 12 divisors (see below), whose sum is σ = 171515148728. Its totient is φ = 78468953904.

The previous prime is 123053588389. The next prime is 123053588431. The reversal of 123053588391 is 193885350321.

It is not a de Polignac number, because 123053588391 - 21 = 123053588389 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 123053588391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123053518391) 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, 38767660 + ... + 38770833.

Almost surely, 2123053588391 is an apocalyptic number.

123053588391 is a deficient number, since it is larger than the sum of its proper divisors (48461560337).

123053588391 is an equidigital number, since it uses as much as digits as its factorization.

123053588391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77538542 (or 77538519 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 123053588391 in words is "one hundred twenty-three billion, fifty-three million, five hundred eighty-eight thousand, three hundred ninety-one".

Divisors: 1 3 23 69 529 1587 77538493 232615479 1783385339 5350156017 41017862797 123053588391