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23313023 = 31752033
BaseRepresentation
bin101100011101…
…1101001111111
31121212102110022
41120323221333
521432004043
62151402355
7402104666
oct130735177
947772408
1023313023
1112183468
1279833bb
134aa33b6
14314bddd
1520a7868
hex163ba7f

23313023 has 4 divisors (see below), whose sum is σ = 24065088. Its totient is φ = 22560960.

The previous prime is 23313011. The next prime is 23313067. The reversal of 23313023 is 32031332.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23313023 - 28 = 23312767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23312992 and 23313010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313623) 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, 375986 + ... + 376047.

It is an arithmetic number, because the mean of its divisors is an integer number (6016272).

Almost surely, 223313023 is an apocalyptic number.

23313023 is a deficient number, since it is larger than the sum of its proper divisors (752065).

23313023 is an equidigital number, since it uses as much as digits as its factorization.

23313023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752064.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 23313023 is about 4828.3561384803. The cubic root of 23313023 is about 285.6710278438.

Adding to 23313023 its reverse (32031332), we get a palindrome (55344355).

The spelling of 23313023 in words is "twenty-three million, three hundred thirteen thousand, twenty-three".

Divisors: 1 31 752033 23313023