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11869423 is a prime number
BaseRepresentation
bin101101010001…
…110011101111
3211100000210021
4231101303233
511014310143
61102223011
7202613506
oct55216357
924300707
1011869423
116777745
123b84a67
1325c7737
14180d83d
151096ced
hexb51cef

11869423 has 2 divisors, whose sum is σ = 11869424. Its totient is φ = 11869422.

The previous prime is 11869421. The next prime is 11869463. The reversal of 11869423 is 32496811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11869423 - 21 = 11869421 is a prime.

Together with 11869421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11869421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5934711 + 5934712.

It is an arithmetic number, because the mean of its divisors is an integer number (5934712).

Almost surely, 211869423 is an apocalyptic number.

11869423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11869423 is an equidigital number, since it uses as much as digits as its factorization.

11869423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 11869423 is about 3445.2028967827. The cubic root of 11869423 is about 228.1094106567.

It can be divided in two parts, 1186 and 9423, that added together give a square (10609 = 1032).

The spelling of 11869423 in words is "eleven million, eight hundred sixty-nine thousand, four hundred twenty-three".