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23320970989 is a prime number
BaseRepresentation
bin10101101110000010…
…011100011011101101
32020012021112002000021
4111232002130123231
5340230132032424
614414041202141
71453625661031
oct255602343355
966167462007
1023320970989
119988097748
12462a190351
132278720324
1411b33a01c1
159175b24e4
hex56e09c6ed

23320970989 has 2 divisors, whose sum is σ = 23320970990. Its totient is φ = 23320970988.

The previous prime is 23320970969. The next prime is 23320971029. The reversal of 23320970989 is 98907902332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14770270089 + 8550700900 = 121533^2 + 92470^2 .

It is a cyclic number.

It is not a de Polignac number, because 23320970989 - 219 = 23320446701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23320970969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660485494 + 11660485495.

It is an arithmetic number, because the mean of its divisors is an integer number (11660485495).

Almost surely, 223320970989 is an apocalyptic number.

It is an amenable number.

23320970989 is a deficient number, since it is larger than the sum of its proper divisors (1).

23320970989 is an equidigital number, since it uses as much as digits as its factorization.

23320970989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 23320970989 in words is "twenty-three billion, three hundred twenty million, nine hundred seventy thousand, nine hundred eighty-nine".