23130212011 has 4 divisors (see below), whose sum is σ = 23132032000. Its totient is φ = 23128392024.

The previous prime is 23130211981. The next prime is 23130212029. The reversal of 23130212011 is 11021203132.

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 23130212011 - 2¹⁹ = 23129687723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130212081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890796 + ... + 916393.

It is an arithmetic number, because the mean of its divisors is an integer number (5783008000).

Almost surely, 2^23130212011 is an apocalyptic number.

23130212011 is a deficient number, since it is larger than the sum of its proper divisors (1819989).

23130212011 is a wasteful number, since it uses less digits than its factorization.

23130212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819988.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23130212011 its reverse (11021203132), we get a palindrome (34151415143).

The spelling of 23130212011 in words is "twenty-three billion, one hundred thirty million, two hundred twelve thousand, eleven".