123451343 has 2 divisors, whose sum is σ = 123451344. Its totient is φ = 123451342.

The previous prime is 123451337. The next prime is 123451403. The reversal of 123451343 is 343154321.

It is a weak prime.

It is an emirp because it is prime and its reverse (343154321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123451343 - 2²⁰ = 122402767 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 (123451313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61725671 + 61725672.

It is an arithmetic number, because the mean of its divisors is an integer number (61725672).

Almost surely, 2^123451343 is an apocalyptic number.

123451343 is a deficient number, since it is larger than the sum of its proper divisors (1).

123451343 is an equidigital number, since it uses as much as digits as its factorization.

123451343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 123451343 is about 11110.8659878517. The cubic root of 123451343 is about 497.9265373914.

The spelling of 123451343 in words is "one hundred twenty-three million, four hundred fifty-one thousand, three hundred forty-three".