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23235253231 is a prime number
BaseRepresentation
bin10101101000111011…
…011101001111101111
32012222022020011100111
4111220323131033233
5340041211100411
614401340040451
71451535252031
oct255073351757
965868204314
1023235253231
119943770723
124605533127
132263a3a568
1411a5c49c51
1590ecce721
hex568edd3ef

23235253231 has 2 divisors, whose sum is σ = 23235253232. Its totient is φ = 23235253230.

The previous prime is 23235253219. The next prime is 23235253271. The reversal of 23235253231 is 13235253232.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23235253231 - 27 = 23235253103 is a prime.

It is a super-2 number, since 2×232352532312 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23235253193 and 23235253202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23235253271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11617626615 + 11617626616.

It is an arithmetic number, because the mean of its divisors is an integer number (11617626616).

Almost surely, 223235253231 is an apocalyptic number.

23235253231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23235253231 is an equidigital number, since it uses as much as digits as its factorization.

23235253231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 31.

Subtracting from 23235253231 its reverse (13235253232), we obtain a palindrome (9999999999).

The spelling of 23235253231 in words is "twenty-three billion, two hundred thirty-five million, two hundred fifty-three thousand, two hundred thirty-one".