203426330 has 8 divisors (see below), whose sum is σ = 366167412. Its totient is φ = 81370528.

The previous prime is 203426323. The next prime is 203426341. The reversal of 203426330 is 33624302.

It can be written as a sum of positive squares in 2 ways, for example, as 187498249 + 15928081 = 13693^2 + 3991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 203426296 and 203426305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10171307 + ... + 10171326.

Almost surely, 2^203426330 is an apocalyptic number.

203426330 is a deficient number, since it is larger than the sum of its proper divisors (162741082).

203426330 is a wasteful number, since it uses less digits than its factorization.

203426330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20342640.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 203426330 is about 14262.7602517886. The cubic root of 203426330 is about 588.1242063342.

The spelling of 203426330 in words is "two hundred three million, four hundred twenty-six thousand, three hundred thirty".