23040220110 has 32 divisors (see below), whose sum is σ = 55424265120. Its totient is φ = 6129865728.

The previous prime is 23040220051. The next prime is 23040220111. The reversal of 23040220110 is 1102204032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23040220110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040220111) 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, 873855 + ... + 899834.

It is an arithmetic number, because the mean of its divisors is an integer number (1732008285).

Almost surely, 2^23040220110 is an apocalyptic number.

23040220110 is an abundant number, since it is smaller than the sum of its proper divisors (32384045010).

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

23040220110 is a wasteful number, since it uses less digits than its factorization.

23040220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774132.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23040220110 its reverse (1102204032), we get a palindrome (24142424142).

The spelling of 23040220110 in words is "twenty-three billion, forty million, two hundred twenty thousand, one hundred ten".