123202030301 has 12 divisors (see below), whose sum is σ = 151747039548. Its totient is φ = 99389872512.

The previous prime is 123202030297. The next prime is 123202030307. The reversal of 123202030301 is 103030202321.

It can be written as a sum of positive squares in 2 ways, for example, as 61554106201 + 61647924100 = 248101^2 + 248290^2 .

It is not a de Polignac number, because 123202030301 - 2² = 123202030297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 123202030301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123202030307) 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 in 11 ways as a sum of consecutive naturals, for example, 73949966 + ... + 73951631.

It is an arithmetic number, because the mean of its divisors is an integer number (12645586629).

Almost surely, 2^123202030301 is an apocalyptic number.

It is an amenable number.

123202030301 is a deficient number, since it is larger than the sum of its proper divisors (28545009247).

123202030301 is a wasteful number, since it uses less digits than its factorization.

123202030301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147901628 (or 147901621 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123202030301 its reverse (103030202321), we get a palindrome (226232232622).

The spelling of 123202030301 in words is "one hundred twenty-three billion, two hundred two million, thirty thousand, three hundred one".