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23033322121 = 31743010391
BaseRepresentation
bin10101011100111001…
…001001101010001001
32012110020020222221111
4111130321021222021
5334133012301441
614325324010321
71443534002425
oct253471115211
965406228844
1023033322121
11984a789907
1245699909a1
132230c582b4
1411870c3b85
158ec1e3081
hex55ce49a89

23033322121 has 4 divisors (see below), whose sum is σ = 23776332544. Its totient is φ = 22290311700.

The previous prime is 23033322089. The next prime is 23033322133. The reversal of 23033322121 is 12122333032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23033322121 - 25 = 23033322089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23033322092 and 23033322101.

It is not an unprimeable number, because it can be changed into a prime (23033322421) 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 in 3 ways as a sum of consecutive naturals, for example, 371505165 + ... + 371505226.

It is an arithmetic number, because the mean of its divisors is an integer number (5944083136).

Almost surely, 223033322121 is an apocalyptic number.

It is an amenable number.

23033322121 is a deficient number, since it is larger than the sum of its proper divisors (743010423).

23033322121 is an equidigital number, since it uses as much as digits as its factorization.

23033322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743010422.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23033322121 its reverse (12122333032), we get a palindrome (35155655153).

The spelling of 23033322121 in words is "twenty-three billion, thirty-three million, three hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 31 743010391 23033322121