203340401 has 8 divisors (see below), whose sum is σ = 231470784. Its totient is φ = 176817520.

The previous prime is 203340367. The next prime is 203340407. The reversal of 203340401 is 104043302.

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

It is not a de Polignac number, because 203340401 - 2¹⁸ = 203078257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 203340401.

It is not an unprimeable number, because it can be changed into a prime (203340407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401606 + ... + 402111.

It is an arithmetic number, because the mean of its divisors is an integer number (28933848).

Almost surely, 2^203340401 is an apocalyptic number.

It is an amenable number.

203340401 is a deficient number, since it is larger than the sum of its proper divisors (28130383).

203340401 is a wasteful number, since it uses less digits than its factorization.

203340401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803751.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 203340401 is about 14259.7475784111. The cubic root of 203340401 is about 588.0413851276.

Adding to 203340401 its reverse (104043302), we get a palindrome (307383703).

The spelling of 203340401 in words is "two hundred three million, three hundred forty thousand, four hundred one".