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23345869 is a prime number
BaseRepresentation
bin101100100001…
…1101011001101
31121221002111211
41121003223031
521434031434
62152214421
7402302521
oct131035315
947832454
1023345869
11121a6108
12799a411
134ab5331
143159d81
1520b2464
hex1643acd

23345869 has 2 divisors, whose sum is σ = 23345870. Its totient is φ = 23345868.

The previous prime is 23345867. The next prime is 23345873. The reversal of 23345869 is 96854332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11819844 + 11526025 = 3438^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 23345869 - 21 = 23345867 is a prime.

It is a super-2 number, since 2×233458692 = 1090059198730322, which contains 22 as substring.

Together with 23345867, 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 (23345867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11672934 + 11672935.

It is an arithmetic number, because the mean of its divisors is an integer number (11672935).

Almost surely, 223345869 is an apocalyptic number.

It is an amenable number.

23345869 is a deficient number, since it is larger than the sum of its proper divisors (1).

23345869 is an equidigital number, since it uses as much as digits as its factorization.

23345869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 23345869 is about 4831.7563059409. The cubic root of 23345869 is about 285.8051266742.

The spelling of 23345869 in words is "twenty-three million, three hundred forty-five thousand, eight hundred sixty-nine".