123200023601 has 2 divisors, whose sum is σ = 123200023602. Its totient is φ = 123200023600.

The previous prime is 123200023589. The next prime is 123200023607. The reversal of 123200023601 is 106320002321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117556408225 + 5643615376 = 342865^2 + 75124^2 .

It is a cyclic number.

It is not a de Polignac number, because 123200023601 - 2¹⁰ = 123200022577 is a prime.

It is not a weakly prime, because it can be changed into another prime (123200023607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61600011800 + 61600011801.

It is an arithmetic number, because the mean of its divisors is an integer number (61600011801).

Almost surely, 2^123200023601 is an apocalyptic number.

It is an amenable number.

123200023601 is a deficient number, since it is larger than the sum of its proper divisors (1).

123200023601 is an equidigital number, since it uses as much as digits as its factorization.

123200023601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123200023601 its reverse (106320002321), we get a palindrome (229520025922).

The spelling of 123200023601 in words is "one hundred twenty-three billion, two hundred million, twenty-three thousand, six hundred one".