23311111011 has 8 divisors (see below), whose sum is σ = 31191311040. Its totient is φ = 15485825832.

The previous prime is 23311110983. The next prime is 23311111079. The reversal of 23311111011 is 11011111332.

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

It is not a de Polignac number, because 23311111011 - 2¹³ = 23311102819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23311111091) 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, 13727721 + ... + 13729418.

It is an arithmetic number, because the mean of its divisors is an integer number (3898913880).

Almost surely, 2^23311111011 is an apocalyptic number.

23311111011 is a deficient number, since it is larger than the sum of its proper divisors (7880200029).

23311111011 is a wasteful number, since it uses less digits than its factorization.

23311111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27457425.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 23311111011 its reverse (11011111332), we get a palindrome (34322222343).

The spelling of 23311111011 in words is "twenty-three billion, three hundred eleven million, one hundred eleven thousand, eleven".