203023230030 has 80 divisors (see below), whose sum is σ = 551535027120. Its totient is φ = 53581367808.

The previous prime is 203023230029. The next prime is 203023230049. The reversal of 203023230030 is 30032320302.

203023230030 is a `hidden beast` number, since 2 + 0 + 302 + 32 + 300 + 30 = 666.

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 = 203023229985 and 203023230012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1213420 + ... + 1370559.

It is an arithmetic number, because the mean of its divisors is an integer number (6894187839).

Almost surely, 2^203023230030 is an apocalyptic number.

203023230030 is an abundant number, since it is smaller than the sum of its proper divisors (348511797090).

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

203023230030 is a wasteful number, since it uses less digits than its factorization.

203023230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584095 (or 2584086 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 203023230030 its reverse (30032320302), we get a palindrome (233055550332).

The spelling of 203023230030 in words is "two hundred three billion, twenty-three million, two hundred thirty thousand, thirty".