123841349 has 2 divisors, whose sum is σ = 123841350. Its totient is φ = 123841348.

The previous prime is 123841343. The next prime is 123841387. The reversal of 123841349 is 943148321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102616900 + 21224449 = 10130^2 + 4607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123841349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123841343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61920674 + 61920675.

It is an arithmetic number, because the mean of its divisors is an integer number (61920675).

Almost surely, 2^123841349 is an apocalyptic number.

It is an amenable number.

123841349 is a deficient number, since it is larger than the sum of its proper divisors (1).

123841349 is an equidigital number, since it uses as much as digits as its factorization.

123841349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 123841349 is about 11128.4028054344. The cubic root of 123841349 is about 498.4503340327.

The spelling of 123841349 in words is "one hundred twenty-three million, eight hundred forty-one thousand, three hundred forty-nine".