23311111100 has 18 divisors (see below), whose sum is σ = 50585111304. Its totient is φ = 9324444400.

The previous prime is 23311111099. The next prime is 23311111123. The reversal of 23311111100 is 111111332.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116555456 + ... + 116555655.

Almost surely, 2^23311111100 is an apocalyptic number.

23311111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311111100 is an abundant number, since it is smaller than the sum of its proper divisors (27274000204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23311111100 is a wasteful number, since it uses less digits than its factorization.

23311111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233111125 (or 233111118 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 23311111100 its reverse (111111332), we get a palindrome (23422222432).

The spelling of 23311111100 in words is "twenty-three billion, three hundred eleven million, one hundred eleven thousand, one hundred".