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23243431011 = 323370191019
BaseRepresentation
bin10101101001011010…
…101001110001100011
32012222212121122011020
4111221122221301203
5340100304243021
614402231220523
71451664621663
oct255132516143
965885548136
1023243431011
119948346819
124608217743
132265641898
1411a6d781a3
159108977c6
hex5696a9c63

23243431011 has 16 divisors (see below), whose sum is σ = 32347779840. Its totient is φ = 14817730400.

The previous prime is 23243430961. The next prime is 23243431049. The reversal of 23243431011 is 11013434232.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23243431011 - 219 = 23242906723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23243431091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209860 + ... + 300878.

It is an arithmetic number, because the mean of its divisors is an integer number (2021736240).

Almost surely, 223243431011 is an apocalyptic number.

23243431011 is a deficient number, since it is larger than the sum of its proper divisors (9104348829).

23243431011 is a wasteful number, since it uses less digits than its factorization.

23243431011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94746.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23243431011 its reverse (11013434232), we get a palindrome (34256865243).

The spelling of 23243431011 in words is "twenty-three billion, two hundred forty-three million, four hundred thirty-one thousand, eleven".

Divisors: 1 3 23 69 3701 11103 85123 91019 255369 273057 2093437 6280311 336861319 1010583957 7747810337 23243431011