203423021432134 has 16 divisors (see below), whose sum is σ = 348731524489248. Its totient is φ = 87179708676672.

The previous prime is 203423021432069. The next prime is 203423021432143. The reversal of 203423021432134 is 431234120324302.

203423021432134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 203423021432134.

It is a congruent number.

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, 131388127 + ... + 132927370.

It is an arithmetic number, because the mean of its divisors is an integer number (21795720280578).

Almost surely, 2^{203423021432134} is an apocalyptic number.

203423021432134 is a deficient number, since it is larger than the sum of its proper divisors (145308503057114).

203423021432134 is a wasteful number, since it uses less digits than its factorization.

203423021432134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264370479.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 203423021432134 its reverse (431234120324302), we get a palindrome (634657141756436).

The spelling of 203423021432134 in words is "two hundred three trillion, four hundred twenty-three billion, twenty-one million, four hundred thirty-two thousand, one hundred thirty-four".