1206522343 has 4 divisors (see below), whose sum is σ = 1299331768. Its totient is φ = 1113712920.

The previous prime is 1206522313. The next prime is 1206522349. The reversal of 1206522343 is 3432256021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1206522343 - 2²¹ = 1204425191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1206522349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46404693 + ... + 46404718.

It is an arithmetic number, because the mean of its divisors is an integer number (324832942).

Almost surely, 2^1206522343 is an apocalyptic number.

1206522343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1206522343 is a deficient number, since it is larger than the sum of its proper divisors (92809425).

1206522343 is an equidigital number, since it uses as much as digits as its factorization.

1206522343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92809424.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1206522343 is about 34735.0304879670. The cubic root of 1206522343 is about 1064.5803758761.

Adding to 1206522343 its reverse (3432256021), we get a palindrome (4638778364).

The spelling of 1206522343 in words is "one billion, two hundred six million, five hundred twenty-two thousand, three hundred forty-three".