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23242340231 = 11611071272549
BaseRepresentation
bin10101101001010110…
…011111011110000111
32012222210120012212222
4111221112133132013
5340100014341411
614402152002555
71451652426605
oct255126373607
965883505788
1023242340231
119947771250
12460799045b
13226534c256
1411a6b72875
1591072e4db
hex56959f787

23242340231 has 32 divisors (see below), whose sum is σ = 26226892800. Its totient is φ = 20418652800.

The previous prime is 23242340221. The next prime is 23242340287. The reversal of 23242340231 is 13204324232.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23242340231 is a prime.

It is a super-2 number, since 2×232423402312 (a number of 22 digits) contains 22 as substring.

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 23242340231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23242340221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9116945 + ... + 9119493.

It is an arithmetic number, because the mean of its divisors is an integer number (819590400).

Almost surely, 223242340231 is an apocalyptic number.

23242340231 is a deficient number, since it is larger than the sum of its proper divisors (2984552569).

23242340231 is a wasteful number, since it uses less digits than its factorization.

23242340231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 23242340231 its reverse (13204324232), we get a palindrome (36446664463).

The spelling of 23242340231 in words is "twenty-three billion, two hundred forty-two million, three hundred forty thousand, two hundred thirty-one".

Divisors: 1 11 61 107 127 671 1177 1397 2549 6527 7747 13589 28039 71797 85217 149479 155489 272743 323723 828929 1710379 3000173 3560953 9118219 16637323 19747103 34638361 183010553 217218133 381021971 2112940021 23242340231