1243453483 has 2 divisors, whose sum is σ = 1243453484. Its totient is φ = 1243453482.

The previous prime is 1243453481. The next prime is 1243453517. The reversal of 1243453483 is 3843543421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1243453483 - 2¹ = 1243453481 is a prime.

Together with 1243453481, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1243453481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621726741 + 621726742.

It is an arithmetic number, because the mean of its divisors is an integer number (621726742).

Almost surely, 2^1243453483 is an apocalyptic number.

1243453483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243453483 is an equidigital number, since it uses as much as digits as its factorization.

1243453483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 37.

The square root of 1243453483 is about 35262.6357920108. The cubic root of 1243453483 is about 1075.3335133924. Note that the first 3 decimals are identical.

The spelling of 1243453483 in words is "one billion, two hundred forty-three million, four hundred fifty-three thousand, four hundred eighty-three".