1206423236 has 6 divisors (see below), whose sum is σ = 2111240670. Its totient is φ = 603211616.

The previous prime is 1206423223. The next prime is 1206423293. The reversal of 1206423236 is 6323246021.

It can be written as a sum of positive squares in only one way, i.e., 1174432900 + 31990336 = 34270^2 + 5656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1206423199 and 1206423208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150802901 + ... + 150802908.

It is an arithmetic number, because the mean of its divisors is an integer number (351873445).

Almost surely, 2^1206423236 is an apocalyptic number.

It is an amenable number.

1206423236 is a deficient number, since it is larger than the sum of its proper divisors (904817434).

1206423236 is a wasteful number, since it uses less digits than its factorization.

1206423236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301605813 (or 301605811 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 1206423236 is about 34733.6038441161. The cubic root of 1206423236 is about 1064.5512259100.

Adding to 1206423236 its reverse (6323246021), we get a palindrome (7529669257).

The spelling of 1206423236 in words is "one billion, two hundred six million, four hundred twenty-three thousand, two hundred thirty-six".