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23051669 is a prime number
BaseRepresentation
bin101011111101…
…1110110010101
31121101010221112
41113323312111
521400123134
62142024405
7366636014
oct127736625
947333845
1023051669
1112015073
127878105
134a11454
1430c0a7b
1520551ce
hex15fbd95

23051669 has 2 divisors, whose sum is σ = 23051670. Its totient is φ = 23051668.

The previous prime is 23051659. The next prime is 23051671. The reversal of 23051669 is 96615032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12567025 + 10484644 = 3545^2 + 3238^2 .

It is a cyclic number.

It is not a de Polignac number, because 23051669 - 24 = 23051653 is a prime.

It is a super-2 number, since 2×230516692 = 1062758887371122, which contains 22 as substring.

Together with 23051671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23051659) 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, 11525834 + 11525835.

It is an arithmetic number, because the mean of its divisors is an integer number (11525835).

Almost surely, 223051669 is an apocalyptic number.

It is an amenable number.

23051669 is a deficient number, since it is larger than the sum of its proper divisors (1).

23051669 is an equidigital number, since it uses as much as digits as its factorization.

23051669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 23051669 is about 4801.2153669670. The cubic root of 23051669 is about 284.5994948950.

The spelling of 23051669 in words is "twenty-three million, fifty-one thousand, six hundred sixty-nine".