123100355201 has 2 divisors, whose sum is σ = 123100355202. Its totient is φ = 123100355200.

The previous prime is 123100355179. The next prime is 123100355207. The reversal of 123100355201 is 102553001321.

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., 74081952400 + 49018402801 = 272180^2 + 221401^2 .

It is a cyclic number.

It is not a de Polignac number, because 123100355201 - 2³⁴ = 105920486017 is a prime.

It is a super-2 number, since 2×123100355201² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123100355207) 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, 61550177600 + 61550177601.

It is an arithmetic number, because the mean of its divisors is an integer number (61550177601).

Almost surely, 2^123100355201 is an apocalyptic number.

It is an amenable number.

123100355201 is a deficient number, since it is larger than the sum of its proper divisors (1).

123100355201 is an equidigital number, since it uses as much as digits as its factorization.

123100355201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 123100355201 its reverse (102553001321), we get a palindrome (225653356522).

The spelling of 123100355201 in words is "one hundred twenty-three billion, one hundred million, three hundred fifty-five thousand, two hundred one".