23113133211 has 8 divisors (see below), whose sum is σ = 35220012544. Its totient is φ = 13207504680.

The previous prime is 23113133119. The next prime is 23113133227. The reversal of 23113133211 is 11233131132.

It is a happy number.

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

It is not a de Polignac number, because 23113133211 - 2¹⁵ = 23113100443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1100625391 = 23113133211 / (2 + 3 + 1 + 1 + 3 + 1 + 3 + 3 + 2 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23113133291) 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, 550312675 + ... + 550312716.

It is an arithmetic number, because the mean of its divisors is an integer number (4402501568).

Almost surely, 2^23113133211 is an apocalyptic number.

23113133211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23113133211 is a deficient number, since it is larger than the sum of its proper divisors (12106879333).

23113133211 is a wasteful number, since it uses less digits than its factorization.

23113133211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100625401.

The product of its digits is 324, while the sum is 21.

Adding to 23113133211 its reverse (11233131132), we get a palindrome (34346264343).

The spelling of 23113133211 in words is "twenty-three billion, one hundred thirteen million, one hundred thirty-three thousand, two hundred eleven".