1206423293 has 2 divisors, whose sum is σ = 1206423294. Its totient is φ = 1206423292.

The previous prime is 1206423223. The next prime is 1206423341. The reversal of 1206423293 is 3923246021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 695798884 + 510624409 = 26378^2 + 22597^2 .

It is a cyclic number.

It is not a de Polignac number, because 1206423293 - 2³⁰ = 132681469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1206423203) 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, 603211646 + 603211647.

It is an arithmetic number, because the mean of its divisors is an integer number (603211647).

Almost surely, 2^1206423293 is an apocalyptic number.

It is an amenable number.

1206423293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1206423293 is an equidigital number, since it uses as much as digits as its factorization.

1206423293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1206423293 is about 34733.6046646472. The cubic root of 1206423293 is about 1064.5512426756.

The spelling of 1206423293 in words is "one billion, two hundred six million, four hundred twenty-three thousand, two hundred ninety-three".