203140401223144 has 256 divisors, whose sum is σ = 521819988480000. Its totient is φ = 71689852016640.

The previous prime is 203140401223141. The next prime is 203140401223223. The reversal of 203140401223144 is 441322104041302.

It is a happy number.

203140401223144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×203140401223144³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (203140401223141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 644018782 + ... + 644334130.

It is an arithmetic number, because the mean of its divisors is an integer number (2038359330000).

Almost surely, 2^{203140401223144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203140401223144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260909994240000).

203140401223144 is an abundant number, since it is smaller than the sum of its proper divisors (318679587256856).

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

203140401223144 is a wasteful number, since it uses less digits than its factorization.

203140401223144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317808 (or 317804 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 203140401223144 its reverse (441322104041302), we get a palindrome (644462505264446).

The spelling of 203140401223144 in words is "two hundred three trillion, one hundred forty billion, four hundred one million, two hundred twenty-three thousand, one hundred forty-four".