10123543 has 2 divisors, whose sum is σ = 10123544. Its totient is φ = 10123542.

The previous prime is 10123541. The next prime is 10123559. The reversal of 10123543 is 34532101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10123543 - 2¹ = 10123541 is a prime.

It is a super-2 number, since 2×10123543² = 204972245745698, which contains 22 as substring.

Together with 10123541, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10123543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10123541) 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, 5061771 + 5061772.

It is an arithmetic number, because the mean of its divisors is an integer number (5061772).

Almost surely, 2^10123543 is an apocalyptic number.

10123543 is a deficient number, since it is larger than the sum of its proper divisors (1).

10123543 is an equidigital number, since it uses as much as digits as its factorization.

10123543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 10123543 is about 3181.7515616402. The cubic root of 10123543 is about 216.3270579736.

Adding to 10123543 its reverse (34532101), we get a palindrome (44655644).

The spelling of 10123543 in words is "ten million, one hundred twenty-three thousand, five hundred forty-three".