423456213 has 8 divisors (see below), whose sum is σ = 597820608. Its totient is φ = 265697984.

The previous prime is 423456203. The next prime is 423456223. The reversal of 423456213 is 312654324.

It is an interprime number because it is at equal distance from previous prime (423456203) and next prime (423456223).

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 423456213 - 2⁵ = 423456181 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 (423456203) 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, 4151481 + ... + 4151582.

It is an arithmetic number, because the mean of its divisors is an integer number (74727576).

Almost surely, 2^423456213 is an apocalyptic number.

It is an amenable number.

423456213 is a deficient number, since it is larger than the sum of its proper divisors (174364395).

423456213 is a wasteful number, since it uses less digits than its factorization.

423456213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8303083.

The product of its digits is 17280, while the sum is 30.

The square root of 423456213 is about 20578.0517299379. The cubic root of 423456213 is about 750.9358468796.

The spelling of 423456213 in words is "four hundred twenty-three million, four hundred fifty-six thousand, two hundred thirteen".