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23047497899 is a prime number
BaseRepresentation
bin10101011101101111…
…001110100010101011
32012111012221012110022
4111131233032202223
5334200124413044
614330551511055
71444065333266
oct253557164253
965435835408
1023047497899
119857791328
12457268848b
132233b7c72a
141188d33cdd
158ed5933ee
hex55dbce8ab

23047497899 has 2 divisors, whose sum is σ = 23047497900. Its totient is φ = 23047497898.

The previous prime is 23047497871. The next prime is 23047497911. The reversal of 23047497899 is 99879474032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23047497899 - 212 = 23047493803 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (23047497859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11523748949 + 11523748950.

It is an arithmetic number, because the mean of its divisors is an integer number (11523748950).

Almost surely, 223047497899 is an apocalyptic number.

23047497899 is a deficient number, since it is larger than the sum of its proper divisors (1).

23047497899 is an equidigital number, since it uses as much as digits as its factorization.

23047497899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 23047497899 in words is "twenty-three billion, forty-seven million, four hundred ninety-seven thousand, eight hundred ninety-nine".