71233243201 has 2 divisors, whose sum is σ = 71233243202. Its totient is φ = 71233243200.

The previous prime is 71233243189. The next prime is 71233243231. The reversal of 71233243201 is 10234233217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46904730625 + 24328512576 = 216575^2 + 155976^2 .

It is a cyclic number.

It is not a de Polignac number, because 71233243201 - 2¹³ = 71233235009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71233243201.

It is not a weakly prime, because it can be changed into another prime (71233243231) 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, 35616621600 + 35616621601.

It is an arithmetic number, because the mean of its divisors is an integer number (35616621601).

Almost surely, 2^71233243201 is an apocalyptic number.

It is an amenable number.

71233243201 is a deficient number, since it is larger than the sum of its proper divisors (1).

71233243201 is an equidigital number, since it uses as much as digits as its factorization.

71233243201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 71233243201 its reverse (10234233217), we get a palindrome (81467476418).

The spelling of 71233243201 in words is "seventy-one billion, two hundred thirty-three million, two hundred forty-three thousand, two hundred one".