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63423151247 is a prime number
BaseRepresentation
bin111011000100010100…
…000111110010001111
320001201001211220110202
4323010110013302033
52014342311314442
645045230124115
74403453614331
oct730424076217
9201631756422
1063423151247
1124996796285
121036035063b
135c999ca881
1430d9369451
1519b302ec32
hexec4507c8f

63423151247 has 2 divisors, whose sum is σ = 63423151248. Its totient is φ = 63423151246.

The previous prime is 63423151241. The next prime is 63423151271. The reversal of 63423151247 is 74215132436.

63423151247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63423151247 - 228 = 63154715791 is a prime.

It is a super-2 number, since 2×634231512472 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63423151247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63423151241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31711575623 + 31711575624.

It is an arithmetic number, because the mean of its divisors is an integer number (31711575624).

Almost surely, 263423151247 is an apocalyptic number.

63423151247 is a deficient number, since it is larger than the sum of its proper divisors (1).

63423151247 is an equidigital number, since it uses as much as digits as its factorization.

63423151247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The spelling of 63423151247 in words is "sixty-three billion, four hundred twenty-three million, one hundred fifty-one thousand, two hundred forty-seven".