9435123213 has 8 divisors (see below), whose sum is σ = 12616212000. Its totient is φ = 6272058288.

The previous prime is 9435123179. The next prime is 9435123223. The reversal of 9435123213 is 3123215349.

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

It is not a de Polignac number, because 9435123213 - 2¹⁷ = 9434992141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9435123223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4504743 + ... + 4506836.

It is an arithmetic number, because the mean of its divisors is an integer number (1577026500).

Almost surely, 2^9435123213 is an apocalyptic number.

It is an amenable number.

9435123213 is a deficient number, since it is larger than the sum of its proper divisors (3181088787).

9435123213 is a wasteful number, since it uses less digits than its factorization.

9435123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011931.

The product of its digits is 19440, while the sum is 33.

The square root of 9435123213 is about 97134.5624018557. The cubic root of 9435123213 is about 2113.0796066439.

The spelling of 9435123213 in words is "nine billion, four hundred thirty-five million, one hundred twenty-three thousand, two hundred thirteen".