23111033213 has 16 divisors (see below), whose sum is σ = 24315641856. Its totient is φ = 21923835120.

The previous prime is 23111033207. The next prime is 23111033221. The reversal of 23111033213 is 31233011132.

It is a cyclic number.

It is not a de Polignac number, because 23111033213 - 2¹⁴ = 23111016829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111033273) 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 15 ways as a sum of consecutive naturals, for example, 1364708 + ... + 1381538.

It is an arithmetic number, because the mean of its divisors is an integer number (1519727616).

Almost surely, 2^23111033213 is an apocalyptic number.

23111033213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23111033213 is a deficient number, since it is larger than the sum of its proper divisors (1204608643).

23111033213 is a wasteful number, since it uses less digits than its factorization.

23111033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17344.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23111033213 its reverse (31233011132), we get a palindrome (54344044345).

The spelling of 23111033213 in words is "twenty-three billion, one hundred eleven million, thirty-three thousand, two hundred thirteen".