213230230023 has 4 divisors (see below), whose sum is σ = 284306973368. Its totient is φ = 142153486680.

The previous prime is 213230230013. The next prime is 213230230051. The reversal of 213230230023 is 320032032312.

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

It is not a de Polignac number, because 213230230023 - 2¹⁷ = 213230098951 is a prime.

It is a super-2 number, since 2×213230230023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213230230013) 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, 35538371668 + ... + 35538371673.

It is an arithmetic number, because the mean of its divisors is an integer number (71076743342).

Almost surely, 2^213230230023 is an apocalyptic number.

213230230023 is a deficient number, since it is larger than the sum of its proper divisors (71076743345).

213230230023 is an equidigital number, since it uses as much as digits as its factorization.

213230230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71076743344.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 213230230023 its reverse (320032032312), we get a palindrome (533262262335).

The spelling of 213230230023 in words is "two hundred thirteen billion, two hundred thirty million, two hundred thirty thousand, twenty-three".