203203400032144 has 40 divisors (see below), whose sum is σ = 394154243000000. Its totient is φ = 101486186845056.

The previous prime is 203203400032079. The next prime is 203203400032159. The reversal of 203203400032144 is 441230004302302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310500982 + ... + 311154730.

It is an arithmetic number, because the mean of its divisors is an integer number (9853856075000).

Almost surely, 2^{203203400032144} is an apocalyptic number.

It is an amenable number.

203203400032144 is a deficient number, since it is larger than the sum of its proper divisors (190950842967856).

203203400032144 is a wasteful number, since it uses less digits than its factorization.

203203400032144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675815 (or 675809 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 203203400032144 its reverse (441230004302302), we get a palindrome (644433404334446).

The spelling of 203203400032144 in words is "two hundred three trillion, two hundred three billion, four hundred million, thirty-two thousand, one hundred forty-four".