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23210402243 = 7173124126107
BaseRepresentation
bin10101100111011100…
…101010000111000011
32012220120110121012112
4111213130222013003
5340013330332433
614355051245535
71451114110130
oct254734520703
965816417175
1023210402243
119930737816
1245b91498ab
13225b849132
1411a281b587
1590ca21348
hex56772a1c3

23210402243 has 32 divisors (see below), whose sum is σ = 29113970688. Its totient is φ = 18044467200.

The previous prime is 23210402231. The next prime is 23210402251. The reversal of 23210402243 is 34220401232.

It is a cyclic number.

It is not a de Polignac number, because 23210402243 - 24 = 23210402227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23210402203) 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, 875996 + ... + 902102.

It is an arithmetic number, because the mean of its divisors is an integer number (909811584).

Almost surely, 223210402243 is an apocalyptic number.

23210402243 is a deficient number, since it is larger than the sum of its proper divisors (5903568445).

23210402243 is a wasteful number, since it uses less digits than its factorization.

23210402243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26403.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 23210402243 its reverse (34220401232), we get a palindrome (57430803475).

The spelling of 23210402243 in words is "twenty-three billion, two hundred ten million, four hundred two thousand, two hundred forty-three".

Divisors: 1 7 17 31 119 217 241 527 1687 3689 4097 7471 26107 28679 52297 127007 182749 443819 809317 889049 3106733 5665219 6291787 13758389 44042509 96308723 106960379 195045397 748722653 1365317779 3315771749 23210402243