1209323413 has 8 divisors (see below), whose sum is σ = 1259818560. Its totient is φ = 1159828320.

The previous prime is 1209323387. The next prime is 1209323449. The reversal of 1209323413 is 3143239021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1209323413 - 2²⁵ = 1175768981 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 (1209323473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247545 + ... + 252382.

It is an arithmetic number, because the mean of its divisors is an integer number (157477320).

Almost surely, 2^1209323413 is an apocalyptic number.

It is an amenable number.

1209323413 is a deficient number, since it is larger than the sum of its proper divisors (50495147).

1209323413 is an equidigital number, since it uses as much as digits as its factorization.

1209323413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500027.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1209323413 is about 34775.3276476297. The cubic root of 1209323413 is about 1065.4035846887.

The spelling of 1209323413 in words is "one billion, two hundred nine million, three hundred twenty-three thousand, four hundred thirteen".