247243007043 has 20 divisors (see below), whose sum is σ = 374013497440. Its totient is φ = 162742228272.

The previous prime is 247243007023. The next prime is 247243007051. The reversal of 247243007043 is 340700342742.

247243007043 is a `hidden beast` number, since 247 + 2 + 4 + 300 + 70 + 43 = 666.

It is not a de Polignac number, because 247243007043 - 2¹⁰ = 247243006019 is a prime.

It is a super-2 number, since 2×247243007043² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 247243006989 and 247243007007.

It is not an unprimeable number, because it can be changed into a prime (247243007003) 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 in 19 ways as a sum of consecutive naturals, for example, 19312480 + ... + 19325277.

It is an arithmetic number, because the mean of its divisors is an integer number (18700674872).

Almost surely, 2^247243007043 is an apocalyptic number.

247243007043 is a deficient number, since it is larger than the sum of its proper divisors (126770490397).

247243007043 is an equidigital number, since it uses as much as digits as its factorization.

247243007043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38637848 (or 38637839 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 36.

Adding to 247243007043 its reverse (340700342742), we get a palindrome (587943349785).

The spelling of 247243007043 in words is "two hundred forty-seven billion, two hundred forty-three million, seven thousand, forty-three".