203023001034 has 24 divisors (see below), whose sum is σ = 502723621920. Its totient is φ = 58006571688.

The previous prime is 203023000987. The next prime is 203023001039. The reversal of 203023001034 is 430100320302.

203023001034 is a `hidden beast` number, since 20 + 302 + 300 + 10 + 34 = 666.

203023001034 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 3×203023001034³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 203023000998 and 203023001016.

It is not an unprimeable number, because it can be changed into a prime (203023001039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 805646704 + ... + 805646955.

It is an arithmetic number, because the mean of its divisors is an integer number (20946817580).

Almost surely, 2^203023001034 is an apocalyptic number.

203023001034 is an abundant number, since it is smaller than the sum of its proper divisors (299700620886).

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

203023001034 is a wasteful number, since it uses less digits than its factorization.

203023001034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611293674 (or 1611293671 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 203023001034 its reverse (430100320302), we get a palindrome (633123321336).

The spelling of 203023001034 in words is "two hundred three billion, twenty-three million, one thousand, thirty-four".