203023130 has 32 divisors (see below), whose sum is σ = 375425280. Its totient is φ = 79019200.

The previous prime is 203023109. The next prime is 203023133. The reversal of 203023130 is 31320302.

It is not an unprimeable number, because it can be changed into a prime (203023133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57887 + ... + 61293.

It is an arithmetic number, because the mean of its divisors is an integer number (11732040).

Almost surely, 2^203023130 is an apocalyptic number.

203023130 is a deficient number, since it is larger than the sum of its proper divisors (172402150).

203023130 is a wasteful number, since it uses less digits than its factorization.

203023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 203023130 is about 14248.6185295277. The cubic root of 203023130 is about 587.7353865893.

Adding to 203023130 its reverse (31320302), we get a palindrome (234343432).

It can be divided in two parts, 20302 and 3130, that added together give a palindrome (23432).

The spelling of 203023130 in words is "two hundred three million, twenty-three thousand, one hundred thirty".