203423111000030 has 16 divisors (see below), whose sum is σ = 368586511059744. Its totient is φ = 80830375231200.

The previous prime is 203423111000029. The next prime is 203423111000093. The reversal of 203423111000030 is 30000111324302.

It is a junction number, because it is equal to n+sod(n) for n = 203423110999966 and 203423111000011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67358644517 + ... + 67358647536.

It is an arithmetic number, because the mean of its divisors is an integer number (23036656941234).

Almost surely, 2^{203423111000030} is an apocalyptic number.

203423111000030 is a deficient number, since it is larger than the sum of its proper divisors (165163400059714).

203423111000030 is a wasteful number, since it uses less digits than its factorization.

203423111000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134717292211.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203423111000030 its reverse (30000111324302), we get a palindrome (233423222324332).

The spelling of 203423111000030 in words is "two hundred three trillion, four hundred twenty-three billion, one hundred eleven million, thirty", and thus it is an aban number.