10023231140 has 144 divisors (see below), whose sum is σ = 23726682000. Its totient is φ = 3550869504.

The previous prime is 10023231137. The next prime is 10023231191. The reversal of 10023231140 is 4113232001.

It can be written as a sum of positive squares in 24 ways, for example, as 5532086884 + 4491144256 = 74378^2 + 67016^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28719686 + ... + 28720034.

It is an arithmetic number, because the mean of its divisors is an integer number (164768625).

Almost surely, 2^10023231140 is an apocalyptic number.

10023231140 is a gapful number since it is divisible by the number (10) 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 10023231140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11863341000).

10023231140 is an abundant number, since it is smaller than the sum of its proper divisors (13703450860).

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

10023231140 is a wasteful number, since it uses less digits than its factorization.

10023231140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10023231140 its reverse (4113232001), we get a palindrome (14136463141).

The spelling of 10023231140 in words is "ten billion, twenty-three million, two hundred thirty-one thousand, one hundred forty".