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23123102211 = 3311175937723
BaseRepresentation
bin10101100010001111…
…101000101000000011
32012200111012022002000
4111202033220220003
5334324003232321
614342252155043
71446004061106
oct254217505003
965614168060
1023123102211
11989642aa30
124593a68a83
132246731101
141194db473d
15905029826
hex5623e8a03

23123102211 has 64 divisors (see below), whose sum is σ = 39640803840. Its totient is φ = 13165701120.

The previous prime is 23123102207. The next prime is 23123102231. The reversal of 23123102211 is 11220132132.

It is not a de Polignac number, because 23123102211 - 22 = 23123102207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23123102231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2990196 + ... + 2997918.

It is an arithmetic number, because the mean of its divisors is an integer number (619387560).

Almost surely, 223123102211 is an apocalyptic number.

23123102211 is a deficient number, since it is larger than the sum of its proper divisors (16517701629).

23123102211 is a wasteful number, since it uses less digits than its factorization.

23123102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8353 (or 8347 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23123102211 its reverse (11220132132), we get a palindrome (34343234343).

The spelling of 23123102211 in words is "twenty-three billion, one hundred twenty-three million, one hundred two thousand, two hundred eleven".

Divisors: 1 3 9 11 17 27 33 51 99 153 187 297 459 561 593 1683 1779 5049 5337 6523 7723 10081 16011 19569 23169 30243 58707 69507 84953 90729 110891 131291 176121 208521 254859 272187 332673 393873 764577 998019 1181619 1444201 2293731 2994057 3544857 4332603 4579739 12997809 13739217 38993427 41217651 50377129 77855563 123652953 151131387 233566689 453394161 700700067 856411193 1360182483 2102100201 2569233579 7707700737 23123102211