10232203140 has 144 divisors (see below), whose sum is σ = 31294671408. Its totient is φ = 2706112512.

The previous prime is 10232203109. The next prime is 10232203141. The reversal of 10232203140 is 4130223201.

It can be written as a sum of positive squares in 8 ways, for example, as 1132187904 + 9100015236 = 33648^2 + 95394^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10232203141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17254684 + ... + 17255276.

It is an arithmetic number, because the mean of its divisors is an integer number (217324107).

Almost surely, 2^10232203140 is an apocalyptic number.

10232203140 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 10232203140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15647335704).

10232203140 is an abundant number, since it is smaller than the sum of its proper divisors (21062468268).

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

10232203140 is a wasteful number, since it uses less digits than its factorization.

10232203140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10232203140 its reverse (4130223201), we get a palindrome (14362426341).

The spelling of 10232203140 in words is "ten billion, two hundred thirty-two million, two hundred three thousand, one hundred forty".