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12123133023 = 339710178953
BaseRepresentation
bin10110100101001100…
…00101010001011111
31011021212210222002210
423102212011101133
5144312010224043
65322544451503
7606264634101
oct132246052137
934255728083
1012123133023
115161213301
122424019b93
1311b28177c1
14830111571
154ae494633
hex2d298545f

12123133023 has 8 divisors (see below), whose sum is σ = 16204894768. Its totient is φ = 8061729984.

The previous prime is 12123133003. The next prime is 12123133031. The reversal of 12123133023 is 32033132121.

12123133023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12123133023 - 214 = 12123116639 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 (12123133003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5088286 + ... + 5090667.

It is an arithmetic number, because the mean of its divisors is an integer number (2025611846).

Almost surely, 212123133023 is an apocalyptic number.

12123133023 is a deficient number, since it is larger than the sum of its proper divisors (4081761745).

12123133023 is a wasteful number, since it uses less digits than its factorization.

12123133023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10179353.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12123133023 its reverse (32033132121), we get a palindrome (44156265144).

The spelling of 12123133023 in words is "twelve billion, one hundred twenty-three million, one hundred thirty-three thousand, twenty-three".

Divisors: 1 3 397 1191 10178953 30536859 4041044341 12123133023