123301134421 has 2 divisors, whose sum is σ = 123301134422. Its totient is φ = 123301134420.

The previous prime is 123301134371. The next prime is 123301134427. The reversal of 123301134421 is 124431103321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99155082321 + 24146052100 = 314889^2 + 155390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123301134421 is a prime.

It is a super-2 number, since 2×123301134421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123301134427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61650567210 + 61650567211.

It is an arithmetic number, because the mean of its divisors is an integer number (61650567211).

Almost surely, 2^123301134421 is an apocalyptic number.

It is an amenable number.

123301134421 is a deficient number, since it is larger than the sum of its proper divisors (1).

123301134421 is an equidigital number, since it uses as much as digits as its factorization.

123301134421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 123301134421 its reverse (124431103321), we get a palindrome (247732237742).

The spelling of 123301134421 in words is "one hundred twenty-three billion, three hundred one million, one hundred thirty-four thousand, four hundred twenty-one".