123211301 has 2 divisors, whose sum is σ = 123211302. Its totient is φ = 123211300.

The previous prime is 123211289. The next prime is 123211303. The reversal of 123211301 is 103112321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87796900 + 35414401 = 9370^2 + 5951^2 .

It is a cyclic number.

It is not a de Polignac number, because 123211301 - 2¹⁰ = 123210277 is a prime.

It is a super-2 number, since 2×123211301² = 30362049388225202, which contains 22 as substring.

Together with 123211303, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123211303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61605650 + 61605651.

It is an arithmetic number, because the mean of its divisors is an integer number (61605651).

Almost surely, 2^123211301 is an apocalyptic number.

It is an amenable number.

123211301 is a deficient number, since it is larger than the sum of its proper divisors (1).

123211301 is an equidigital number, since it uses as much as digits as its factorization.

123211301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 123211301 is about 11100.0586034489. The cubic root of 123211301 is about 497.6036008918.

Adding to 123211301 its reverse (103112321), we get a palindrome (226323622).

The spelling of 123211301 in words is "one hundred twenty-three million, two hundred eleven thousand, three hundred one".