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23542112017 is a prime number
BaseRepresentation
bin10101111011001110…
…000001111100010001
32020202200122012110201
4111323032001330101
5341203240041032
614452021055201
71462252436044
oct257316017421
966680565421
1023542112017
119a909aa226
124690257501
1322b249a1c8
1411d48c6c5b
1592bbe58e7
hex57b381f11

23542112017 has 2 divisors, whose sum is σ = 23542112018. Its totient is φ = 23542112016.

The previous prime is 23542111993. The next prime is 23542112059. The reversal of 23542112017 is 71021124532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21420956881 + 2121155136 = 146359^2 + 46056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23542112017 is a prime.

It is a super-3 number, since 3×235421120173 (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (23542112117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11771056008 + 11771056009.

It is an arithmetic number, because the mean of its divisors is an integer number (11771056009).

Almost surely, 223542112017 is an apocalyptic number.

It is an amenable number.

23542112017 is a deficient number, since it is larger than the sum of its proper divisors (1).

23542112017 is an equidigital number, since it uses as much as digits as its factorization.

23542112017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 23542112017 its reverse (71021124532), we get a palindrome (94563236549).

The spelling of 23542112017 in words is "twenty-three billion, five hundred forty-two million, one hundred twelve thousand, seventeen".