213130231223 has 8 divisors (see below), whose sum is σ = 262314130848. Its totient is φ = 168630512544.

The previous prime is 213130231207. The next prime is 213130231231. The reversal of 213130231223 is 322132031312.

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

It is not a de Polignac number, because 213130231223 - 2⁴ = 213130231207 is a prime.

It is a super-2 number, since 2×213130231223² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130221223) 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, 1171045136 + ... + 1171045317.

It is an arithmetic number, because the mean of its divisors is an integer number (32789266356).

Almost surely, 2^213130231223 is an apocalyptic number.

213130231223 is a deficient number, since it is larger than the sum of its proper divisors (49183899625).

213130231223 is a wasteful number, since it uses less digits than its factorization.

213130231223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342090473.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213130231223 its reverse (322132031312), we get a palindrome (535262262535).

The spelling of 213130231223 in words is "two hundred thirteen billion, one hundred thirty million, two hundred thirty-one thousand, two hundred twenty-three".