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12312332031023 = 19648017475317
BaseRepresentation
bin1011001100101011000000…
…1011010101010000101111
31121121001021120220012211022
42303022300023111100233
53103211123444443043
642104112433244355
72410352031326153
oct263126013252057
947531246805738
1012312332031023
113a176a34a4582
12146a2671036bb
136b40813b736b
14307cc488d063
15165413089868
hexb32b02d542f

12312332031023 has 4 divisors (see below), whose sum is σ = 12960349506360. Its totient is φ = 11664314555688.

The previous prime is 12312332031019. The next prime is 12312332031047. The reversal of 12312332031023 is 32013023321321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12312332031023 - 22 = 12312332031019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12312332030983 and 12312332031001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312332039023) 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, 324008737640 + ... + 324008737677.

It is an arithmetic number, because the mean of its divisors is an integer number (3240087376590).

Almost surely, 212312332031023 is an apocalyptic number.

12312332031023 is a deficient number, since it is larger than the sum of its proper divisors (648017475337).

12312332031023 is an equidigital number, since it uses as much as digits as its factorization.

12312332031023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648017475336.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 12312332031023 its reverse (32013023321321), we get a palindrome (44325355352344).

The spelling of 12312332031023 in words is "twelve trillion, three hundred twelve billion, three hundred thirty-two million, thirty-one thousand, twenty-three".

Divisors: 1 19 648017475317 12312332031023