203142423466 has 16 divisors (see below), whose sum is σ = 315231667200. Its totient is φ = 98065438128.

The previous prime is 203142423359. The next prime is 203142423467. The reversal of 203142423466 is 664324241302.

It is not an unprimeable number, because it can be changed into a prime (203142423467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3239155 + ... + 3301273.

It is an arithmetic number, because the mean of its divisors is an integer number (19701979200).

Almost surely, 2^203142423466 is an apocalyptic number.

203142423466 is a deficient number, since it is larger than the sum of its proper divisors (112089243734).

203142423466 is a wasteful number, since it uses less digits than its factorization.

203142423466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118533.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 203142423466 its reverse (664324241302), we get a palindrome (867466664768).

The spelling of 203142423466 in words is "two hundred three billion, one hundred forty-two million, four hundred twenty-three thousand, four hundred sixty-six".