213446023 has 8 divisors (see below), whose sum is σ = 249611648. Its totient is φ = 178698744.

The previous prime is 213445997. The next prime is 213446059. The reversal of 213446023 is 320644312.

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

It is not a de Polignac number, because 213446023 - 2¹³ = 213437831 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 (213446083) 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, 354261 + ... + 354862.

It is an arithmetic number, because the mean of its divisors is an integer number (31201456).

Almost surely, 2^213446023 is an apocalyptic number.

213446023 is a deficient number, since it is larger than the sum of its proper divisors (36165625).

213446023 is an equidigital number, since it uses as much as digits as its factorization.

213446023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709173.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 213446023 is about 14609.7920245293. The cubic root of 213446023 is about 597.6258243561.

The spelling of 213446023 in words is "two hundred thirteen million, four hundred forty-six thousand, twenty-three".