247000123043 has 2 divisors, whose sum is σ = 247000123044. Its totient is φ = 247000123042.

The previous prime is 247000123039. The next prime is 247000123091. The reversal of 247000123043 is 340321000742.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 247000123043 - 2² = 247000123039 is a prime.

It is a super-2 number, since 2×247000123043² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (247000123033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123500061521 + 123500061522.

It is an arithmetic number, because the mean of its divisors is an integer number (123500061522).

Almost surely, 2^247000123043 is an apocalyptic number.

247000123043 is a deficient number, since it is larger than the sum of its proper divisors (1).

247000123043 is an equidigital number, since it uses as much as digits as its factorization.

247000123043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

Adding to 247000123043 its reverse (340321000742), we get a palindrome (587321123785).

The spelling of 247000123043 in words is "two hundred forty-seven billion, one hundred twenty-three thousand, forty-three".