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23320223197 is a prime number
BaseRepresentation
bin10101101101111111…
…100101110111011101
32020012020010002020021
4111231333211313131
5340224434120242
614414013152141
71453616424625
oct255577456735
966166102207
1023320223197
119987726937
124629a8b651
13227851ab4b
1411b3247885
159174b5b67
hex56dfe5ddd

23320223197 has 2 divisors, whose sum is σ = 23320223198. Its totient is φ = 23320223196.

The previous prime is 23320223141. The next prime is 23320223203. The reversal of 23320223197 is 79132202332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11730839481 + 11589383716 = 108309^2 + 107654^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23320223197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23320223107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660111598 + 11660111599.

It is an arithmetic number, because the mean of its divisors is an integer number (11660111599).

Almost surely, 223320223197 is an apocalyptic number.

It is an amenable number.

23320223197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23320223197 is an equidigital number, since it uses as much as digits as its factorization.

23320223197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 23320223197 in words is "twenty-three billion, three hundred twenty million, two hundred twenty-three thousand, one hundred ninety-seven".