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23303324449 is a prime number
BaseRepresentation
bin10101101100111111…
…001000001100100001
32020011001022112111201
4111230333020030201
5340211122340244
614412211041201
71453322663266
oct255477101441
966131275451
1023303324449
119979134629
1246242a0201
132274b821a2
1411b0cc926d
15915c78ad4
hex56cfc8321

23303324449 has 2 divisors, whose sum is σ = 23303324450. Its totient is φ = 23303324448.

The previous prime is 23303324393. The next prime is 23303324461. The reversal of 23303324449 is 94442330332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22497900049 + 805424400 = 149993^2 + 28380^2 .

It is a cyclic number.

It is not a de Polignac number, because 23303324449 - 27 = 23303324321 is a prime.

It is a super-2 number, since 2×233033244492 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23303324749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11651662224 + 11651662225.

It is an arithmetic number, because the mean of its divisors is an integer number (11651662225).

Almost surely, 223303324449 is an apocalyptic number.

It is an amenable number.

23303324449 is a deficient number, since it is larger than the sum of its proper divisors (1).

23303324449 is an equidigital number, since it uses as much as digits as its factorization.

23303324449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 37.

The spelling of 23303324449 in words is "twenty-three billion, three hundred three million, three hundred twenty-four thousand, four hundred forty-nine".