123454349 has 2 divisors, whose sum is σ = 123454350. Its totient is φ = 123454348.

The previous prime is 123454339. The next prime is 123454367. The reversal of 123454349 is 943454321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113955625 + 9498724 = 10675^2 + 3082^2 .

It is a cyclic number.

It is not a de Polignac number, because 123454349 - 2¹² = 123450253 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123454339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61727174 + 61727175.

It is an arithmetic number, because the mean of its divisors is an integer number (61727175).

Almost surely, 2^123454349 is an apocalyptic number.

It is an amenable number.

123454349 is a deficient number, since it is larger than the sum of its proper divisors (1).

123454349 is an equidigital number, since it uses as much as digits as its factorization.

123454349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 123454349 is about 11111.0012600125. The cubic root of 123454349 is about 497.9305788083.

The spelling of 123454349 in words is "one hundred twenty-three million, four hundred fifty-four thousand, three hundred forty-nine".