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23106443 = 27298467
BaseRepresentation
bin101100000100…
…1001110001011
31121110221002012
41120021032023
521403401233
62143130135
7400254503
oct130111613
947427065
1023106443
1112052238
1278a394b
134a30369
1430d6a03
152066548
hex160938b

23106443 has 4 divisors (see below), whose sum is σ = 23117640. Its totient is φ = 23095248.

The previous prime is 23106409. The next prime is 23106497. The reversal of 23106443 is 34460132.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23106443 - 26 = 23106379 is a prime.

It is a super-2 number, since 2×231064432 = 1067815416224498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23106403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1505 + ... + 6962.

It is an arithmetic number, because the mean of its divisors is an integer number (5779410).

Almost surely, 223106443 is an apocalyptic number.

23106443 is a deficient number, since it is larger than the sum of its proper divisors (11197).

23106443 is an equidigital number, since it uses as much as digits as its factorization.

23106443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11196.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 23106443 is about 4806.9161631965. The cubic root of 23106443 is about 284.8247327012.

Adding to 23106443 its reverse (34460132), we get a palindrome (57566575).

The spelling of 23106443 in words is "twenty-three million, one hundred six thousand, four hundred forty-three".

Divisors: 1 2729 8467 23106443