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23424871697 is a prime number
BaseRepresentation
bin10101110100001110…
…110010110100010001
32020110112000202222122
4111310032302310101
5340433231343242
614432232144025
71456330060403
oct256416626421
966415022878
1023424871697
119a308028a7
124658b38015
1322940cb436
1411c30c8b73
15921787ad2
hex5743b2d11

23424871697 has 2 divisors, whose sum is σ = 23424871698. Its totient is φ = 23424871696.

The previous prime is 23424871681. The next prime is 23424871699. The reversal of 23424871697 is 79617842432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22965583936 + 459287761 = 151544^2 + 21431^2 .

It is a cyclic number.

It is not a de Polignac number, because 23424871697 - 24 = 23424871681 is a prime.

It is a super-2 number, since 2×234248716972 (a number of 22 digits) contains 22 as substring.

Together with 23424871699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23424871699) 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 as a sum of consecutive naturals, namely, 11712435848 + 11712435849.

It is an arithmetic number, because the mean of its divisors is an integer number (11712435849).

Almost surely, 223424871697 is an apocalyptic number.

It is an amenable number.

23424871697 is a deficient number, since it is larger than the sum of its proper divisors (1).

23424871697 is an equidigital number, since it uses as much as digits as its factorization.

23424871697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 53.

The spelling of 23424871697 in words is "twenty-three billion, four hundred twenty-four million, eight hundred seventy-one thousand, six hundred ninety-seven".