213032023 has 4 divisors (see below), whose sum is σ = 218227968. Its totient is φ = 207836080.

The previous prime is 213031991. The next prime is 213032089. The reversal of 213032023 is 320230312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213032023 - 2⁵ = 213031991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213031988 and 213032006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213032723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2597911 + ... + 2597992.

It is an arithmetic number, because the mean of its divisors is an integer number (54556992).

Almost surely, 2^213032023 is an apocalyptic number.

213032023 is a deficient number, since it is larger than the sum of its proper divisors (5195945).

213032023 is an equidigital number, since it uses as much as digits as its factorization.

213032023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195944.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 213032023 is about 14595.6165679974. The cubic root of 213032023 is about 597.2391891718.

Adding to 213032023 its reverse (320230312), we get a palindrome (533262335).

The spelling of 213032023 in words is "two hundred thirteen million, thirty-two thousand, twenty-three".