213130023 has 8 divisors (see below), whose sum is σ = 284401008. Its totient is φ = 141972864.

The previous prime is 213129979. The next prime is 213130031. The reversal of 213130023 is 320031312.

213130023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 213130023 - 2²² = 208935719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213129984 and 213130011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130033) 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, 23986 + ... + 31647.

It is an arithmetic number, because the mean of its divisors is an integer number (35550126).

Almost surely, 2^213130023 is an apocalyptic number.

213130023 is a deficient number, since it is larger than the sum of its proper divisors (71270985).

213130023 is a wasteful number, since it uses less digits than its factorization.

213130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56913.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 213130023 is about 14598.9733543150. The cubic root of 213130023 is about 597.3307567321.

Adding to 213130023 its reverse (320031312), we get a palindrome (533161335).

The spelling of 213130023 in words is "two hundred thirteen million, one hundred thirty thousand, twenty-three".