123299801 has 2 divisors, whose sum is σ = 123299802. Its totient is φ = 123299800.

The previous prime is 123299779. The next prime is 123299821. The reversal of 123299801 is 108992321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123232201 + 67600 = 11101^2 + 260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123299801 is a prime.

It is not a weakly prime, because it can be changed into another prime (123299821) 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 as a sum of consecutive naturals, namely, 61649900 + 61649901.

It is an arithmetic number, because the mean of its divisors is an integer number (61649901).

Almost surely, 2^123299801 is an apocalyptic number.

It is an amenable number.

123299801 is a deficient number, since it is larger than the sum of its proper divisors (1).

123299801 is an equidigital number, since it uses as much as digits as its factorization.

123299801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 123299801 is about 11104.0443532976. The cubic root of 123299801 is about 497.7227116625.

The spelling of 123299801 in words is "one hundred twenty-three million, two hundred ninety-nine thousand, eight hundred one".