104123545501 has 2 divisors, whose sum is σ = 104123545502. Its totient is φ = 104123545500.

The previous prime is 104123545489. The next prime is 104123545507. The reversal of 104123545501 is 105545321401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83131882276 + 20991663225 = 288326^2 + 144885^2 .

It is a cyclic number.

It is not a de Polignac number, because 104123545501 - 2²⁵ = 104089991069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104123545507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52061772750 + 52061772751.

It is an arithmetic number, because the mean of its divisors is an integer number (52061772751).

Almost surely, 2^104123545501 is an apocalyptic number.

It is an amenable number.

104123545501 is a deficient number, since it is larger than the sum of its proper divisors (1).

104123545501 is an equidigital number, since it uses as much as digits as its factorization.

104123545501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 104123545501 its reverse (105545321401), we get a palindrome (209668866902).

The spelling of 104123545501 in words is "one hundred four billion, one hundred twenty-three million, five hundred forty-five thousand, five hundred one".