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23389609871 is a prime number
BaseRepresentation
bin10101110010001000…
…010001111110001111
32020101001200021212002
4111302020101332033
5340400220003441
614424532302515
71455421255265
oct256210217617
966331607762
1023389609871
119a129090a1
124649171a3b
132289a03454
1411bc54a435
1591d61eb9b
hex572211f8f

23389609871 has 2 divisors, whose sum is σ = 23389609872. Its totient is φ = 23389609870.

The previous prime is 23389609813. The next prime is 23389609913. The reversal of 23389609871 is 17890698332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23389609871 - 218 = 23389347727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23389602871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11694804935 + 11694804936.

It is an arithmetic number, because the mean of its divisors is an integer number (11694804936).

Almost surely, 223389609871 is an apocalyptic number.

23389609871 is a deficient number, since it is larger than the sum of its proper divisors (1).

23389609871 is an equidigital number, since it uses as much as digits as its factorization.

23389609871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 23389609871 in words is "twenty-three billion, three hundred eighty-nine million, six hundred nine thousand, eight hundred seventy-one".