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23201023123 = 377913016101
BaseRepresentation
bin10101100110111000…
…111000010010010011
32012212220211002110201
4111212320320102103
5340003430214443
614354114240031
71450641304555
oct254670702223
965786732421
1023201023123
119926411083
1245b5b86017
132259914065
1411a14994d5
1590bcbc34d
hex566e38493

23201023123 has 16 divisors (see below), whose sum is σ = 24152204160. Its totient is φ = 22267440000.

The previous prime is 23201023103. The next prime is 23201023141. The reversal of 23201023123 is 32132010232.

It is a cyclic number.

It is not a de Polignac number, because 23201023123 - 225 = 23167468691 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 23201023123.

It is not an unprimeable number, because it can be changed into a prime (23201023103) 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 15 ways as a sum of consecutive naturals, for example, 3799773 + ... + 3805873.

It is an arithmetic number, because the mean of its divisors is an integer number (1509512760).

Almost surely, 223201023123 is an apocalyptic number.

23201023123 is a deficient number, since it is larger than the sum of its proper divisors (951181037).

23201023123 is a wasteful number, since it uses less digits than its factorization.

23201023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23201023123 its reverse (32132010232), we get a palindrome (55333033355).

The spelling of 23201023123 in words is "twenty-three billion, two hundred one million, twenty-three thousand, one hundred twenty-three".

Divisors: 1 37 79 1301 2923 6101 48137 102779 225737 481979 3802823 7937401 17833223 293683837 627054679 23201023123