288423061 has 2 divisors, whose sum is σ = 288423062. Its totient is φ = 288423060.

The previous prime is 288423053. The next prime is 288423077. The reversal of 288423061 is 160324882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287946961 + 476100 = 16969^2 + 690^2 .

It is a cyclic number.

It is not a de Polignac number, because 288423061 - 2³ = 288423053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288423041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144211530 + 144211531.

It is an arithmetic number, because the mean of its divisors is an integer number (144211531).

Almost surely, 2^288423061 is an apocalyptic number.

It is an amenable number.

288423061 is a deficient number, since it is larger than the sum of its proper divisors (1).

288423061 is an equidigital number, since it uses as much as digits as its factorization.

288423061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 288423061 is about 16983.0227285958. The cubic root of 288423061 is about 660.7086519076.

The spelling of 288423061 in words is "two hundred eighty-eight million, four hundred twenty-three thousand, sixty-one".