87123301 has 2 divisors, whose sum is σ = 87123302. Its totient is φ = 87123300.

The previous prime is 87123277. The next prime is 87123343. The reversal of 87123301 is 10332178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84658401 + 2464900 = 9201^2 + 1570^2 .

It is a cyclic number.

It is not a de Polignac number, because 87123301 - 2¹⁹ = 86599013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87123371) 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, 43561650 + 43561651.

It is an arithmetic number, because the mean of its divisors is an integer number (43561651).

Almost surely, 2^87123301 is an apocalyptic number.

It is an amenable number.

87123301 is a deficient number, since it is larger than the sum of its proper divisors (1).

87123301 is an equidigital number, since it uses as much as digits as its factorization.

87123301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 87123301 is about 9333.9863402514. The cubic root of 87123301 is about 443.3139938549.

Adding to 87123301 its reverse (10332178), we get a palindrome (97455479).

The spelling of 87123301 in words is "eighty-seven million, one hundred twenty-three thousand, three hundred one".