23001103240 has 96 divisors (see below), whose sum is σ = 53013025800. Its totient is φ = 8981473280.

The previous prime is 23001103199. The next prime is 23001103247. The reversal of 23001103240 is 4230110032.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 145106116 + 22855997124 = 12046^2 + 151182^2 .

It is not an unprimeable number, because it can be changed into a prime (23001103247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30224460 + ... + 30225220.

Almost surely, 2^23001103240 is an apocalyptic number.

23001103240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23001103240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26506512900).

23001103240 is an abundant number, since it is smaller than the sum of its proper divisors (30011922560).

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

23001103240 is a wasteful number, since it uses less digits than its factorization.

23001103240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23001103240 its reverse (4230110032), we get a palindrome (27231213272).

The spelling of 23001103240 in words is "twenty-three billion, one million, one hundred three thousand, two hundred forty".