1233413409 has 4 divisors (see below), whose sum is σ = 1644551216. Its totient is φ = 822275604.

The previous prime is 1233413369. The next prime is 1233413453. The reversal of 1233413409 is 9043143321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1233413409 - 2⁹ = 1233412897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233413309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205568899 + ... + 205568904.

It is an arithmetic number, because the mean of its divisors is an integer number (411137804).

Almost surely, 2^1233413409 is an apocalyptic number.

It is an amenable number.

1233413409 is a deficient number, since it is larger than the sum of its proper divisors (411137807).

1233413409 is an equidigital number, since it uses as much as digits as its factorization.

1233413409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411137806.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1233413409 is about 35119.9858912272. The cubic root of 1233413409 is about 1072.4314836066.

The spelling of 1233413409 in words is "one billion, two hundred thirty-three million, four hundred thirteen thousand, four hundred nine".