123047543 has 2 divisors, whose sum is σ = 123047544. Its totient is φ = 123047542.

The previous prime is 123047537. The next prime is 123047549. The reversal of 123047543 is 345740321.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (123047537) and next prime (123047549).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123047543 is a prime.

It is a Chen prime.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 123 and 47543 contains 123047543 itself.

It is equal to p_7005188 and since 123047543 and 7005188 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123047549) 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, 61523771 + 61523772.

It is an arithmetic number, because the mean of its divisors is an integer number (61523772).

Almost surely, 2^123047543 is an apocalyptic number.

123047543 is a deficient number, since it is larger than the sum of its proper divisors (1).

123047543 is an equidigital number, since it uses as much as digits as its factorization.

123047543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 123047543 is about 11092.6797032998. The cubic root of 123047543 is about 497.3830510524.

Adding to 123047543 its reverse (345740321), we get a palindrome (468787864).

The spelling of 123047543 in words is "one hundred twenty-three million, forty-seven thousand, five hundred forty-three".