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23123312033 is a prime number
BaseRepresentation
bin10101100010010000…
…011011110110100001
32012200111120221220012
4111202100123312201
5334324031441113
614342300454305
71446005623613
oct254220336641
965614527805
1023123312033
119896563638
124593b4a395
1322467a5773
14119502adb3
1590506baa8
hex56241bda1

23123312033 has 2 divisors, whose sum is σ = 23123312034. Its totient is φ = 23123312032.

The previous prime is 23123312011. The next prime is 23123312041. The reversal of 23123312033 is 33021332132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20899906624 + 2223405409 = 144568^2 + 47153^2 .

It is a cyclic number.

It is not a de Polignac number, because 23123312033 - 26 = 23123311969 is a prime.

It is not a weakly prime, because it can be changed into another prime (23123312053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11561656016 + 11561656017.

It is an arithmetic number, because the mean of its divisors is an integer number (11561656017).

Almost surely, 223123312033 is an apocalyptic number.

It is an amenable number.

23123312033 is a deficient number, since it is larger than the sum of its proper divisors (1).

23123312033 is an equidigital number, since it uses as much as digits as its factorization.

23123312033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23123312033 its reverse (33021332132), we get a palindrome (56144644165).

The spelling of 23123312033 in words is "twenty-three billion, one hundred twenty-three million, three hundred twelve thousand, thirty-three".