123233454349 has 2 divisors, whose sum is σ = 123233454350. Its totient is φ = 123233454348.

The previous prime is 123233454269. The next prime is 123233454353. The reversal of 123233454349 is 943454332321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75575508100 + 47657946249 = 274910^2 + 218307^2 .

It is an emirp because it is prime and its reverse (943454332321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123233454349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123233451349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61616727174 + 61616727175.

It is an arithmetic number, because the mean of its divisors is an integer number (61616727175).

Almost surely, 2^123233454349 is an apocalyptic number.

It is an amenable number.

123233454349 is a deficient number, since it is larger than the sum of its proper divisors (1).

123233454349 is an equidigital number, since it uses as much as digits as its factorization.

123233454349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 43.

The spelling of 123233454349 in words is "one hundred twenty-three billion, two hundred thirty-three million, four hundred fifty-four thousand, three hundred forty-nine".