23130210321 has 12 divisors (see below), whose sum is σ = 33665346000. Its totient is φ = 15302428440.

The previous prime is 23130210293. The next prime is 23130210331. The reversal of 23130210321 is 12301203132.

23130210321 is a `hidden beast` number, since 2 + 3 + 130 + 210 + 321 = 666.

It is not a de Polignac number, because 23130210321 - 2⁵ = 23130210289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23130210294 and 23130210303.

It is not an unprimeable number, because it can be changed into a prime (23130210331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9808071 + ... + 9810428.

It is an arithmetic number, because the mean of its divisors is an integer number (2805445500).

Almost surely, 2^23130210321 is an apocalyptic number.

It is an amenable number.

23130210321 is a deficient number, since it is larger than the sum of its proper divisors (10535135679).

23130210321 is a wasteful number, since it uses less digits than its factorization.

23130210321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19618636 (or 19618633 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23130210321 its reverse (12301203132), we get a palindrome (35431413453).

The spelling of 23130210321 in words is "twenty-three billion, one hundred thirty million, two hundred ten thousand, three hundred twenty-one".