23103112011 has 16 divisors (see below), whose sum is σ = 35238336000. Its totient is φ = 13189180608.

The previous prime is 23103112003. The next prime is 23103112027. The reversal of 23103112011 is 11021130132.

It is a happy number.

It is not a de Polignac number, because 23103112011 - 2³ = 23103112003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23103112031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502351 + ... + 546408.

It is an arithmetic number, because the mean of its divisors is an integer number (2202396000).

Almost surely, 2^23103112011 is an apocalyptic number.

23103112011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23103112011 is a deficient number, since it is larger than the sum of its proper divisors (12135223989).

23103112011 is a wasteful number, since it uses less digits than its factorization.

23103112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049818.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23103112011 its reverse (11021130132), we get a palindrome (34124242143).

The spelling of 23103112011 in words is "twenty-three billion, one hundred three million, one hundred twelve thousand, eleven".