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23230505393 is a prime number
BaseRepresentation
bin10101101000101001…
…010110000110110001
32012221222021221112122
4111220221112012301
5340034002133033
614401050204025
71451450015654
oct255051260661
965858257478
1023230505393
119941018597
124603a23615
132262a674a4
1411a537189b
1590e692a98
hex568a561b1

23230505393 has 2 divisors, whose sum is σ = 23230505394. Its totient is φ = 23230505392.

The previous prime is 23230505357. The next prime is 23230505429. The reversal of 23230505393 is 39350503232.

It is a balanced prime because it is at equal distance from previous prime (23230505357) and next prime (23230505429).

It can be written as a sum of positive squares in only one way, i.e., 22795866289 + 434639104 = 150983^2 + 20848^2 .

It is a cyclic number.

It is not a de Polignac number, because 23230505393 - 26 = 23230505329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23230505693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11615252696 + 11615252697.

It is an arithmetic number, because the mean of its divisors is an integer number (11615252697).

Almost surely, 223230505393 is an apocalyptic number.

It is an amenable number.

23230505393 is a deficient number, since it is larger than the sum of its proper divisors (1).

23230505393 is an equidigital number, since it uses as much as digits as its factorization.

23230505393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 35.

The spelling of 23230505393 in words is "twenty-three billion, two hundred thirty million, five hundred five thousand, three hundred ninety-three".