1234020343 has 2 divisors, whose sum is σ = 1234020344. Its totient is φ = 1234020342.

The previous prime is 1234020331. The next prime is 1234020349. The reversal of 1234020343 is 3430204321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1234020343 - 2¹⁷ = 1233889271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234020349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617010171 + 617010172.

It is an arithmetic number, because the mean of its divisors is an integer number (617010172).

Almost surely, 2^1234020343 is an apocalyptic number.

1234020343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234020343 is an equidigital number, since it uses as much as digits as its factorization.

1234020343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1234020343 is about 35128.6256918770. The cubic root of 1234020343 is about 1072.6073609432.

Adding to 1234020343 its reverse (3430204321), we get a palindrome (4664224664).

The spelling of 1234020343 in words is "one billion, two hundred thirty-four million, twenty thousand, three hundred forty-three".