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1231347316423 = 7233754964633
BaseRepresentation
bin10001111010110010000…
…001001111011011000111
311100201022201012210000211
4101322302001033123013
5130133244403111143
62341401222220251
7154650635332060
oct21726201173307
94321281183024
101231347316423
11435236505974
1217a787884687
138c166b43853
144385188d567
152206bc4e49d
hex11eb204f6c7

1231347316423 has 8 divisors (see below), whose sum is σ = 1413293794848. Its totient is φ = 1050910767744.

The previous prime is 1231347316421. The next prime is 1231347316427. The reversal of 1231347316423 is 3246137431321.

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

It is a cyclic number.

It is not a de Polignac number, because 1231347316423 - 21 = 1231347316421 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 (1231347316421) 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, 377480686 + ... + 377483947.

It is an arithmetic number, because the mean of its divisors is an integer number (176661724356).

Almost surely, 21231347316423 is an apocalyptic number.

1231347316423 is a deficient number, since it is larger than the sum of its proper divisors (181946478425).

1231347316423 is an equidigital number, since it uses as much as digits as its factorization.

1231347316423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754964873.

The product of its digits is 217728, while the sum is 40.

The spelling of 1231347316423 in words is "one trillion, two hundred thirty-one billion, three hundred forty-seven million, three hundred sixteen thousand, four hundred twenty-three".

Divisors: 1 7 233 1631 754964633 5284752431 175906759489 1231347316423