203223011140 has 12 divisors (see below), whose sum is σ = 426768323436. Its totient is φ = 81289204448.

The previous prime is 203223011099. The next prime is 203223011143. The reversal of 203223011140 is 41110322302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 144763508484 + 58459502656 = 380478^2 + 241784^2 .

It is not an unprimeable number, because it can be changed into a prime (203223011143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5080575259 + ... + 5080575298.

It is an arithmetic number, because the mean of its divisors is an integer number (35564026953).

Almost surely, 2^203223011140 is an apocalyptic number.

203223011140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203223011140 is an abundant number, since it is smaller than the sum of its proper divisors (223545312296).

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

203223011140 is a wasteful number, since it uses less digits than its factorization.

203223011140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161150566 (or 10161150564 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203223011140 its reverse (41110322302), we get a palindrome (244333333442).

The spelling of 203223011140 in words is "two hundred three billion, two hundred twenty-three million, eleven thousand, one hundred forty".