203243105401 has 8 divisors (see below), whose sum is σ = 232280928000. Its totient is φ = 174206056128.

The previous prime is 203243105341. The next prime is 203243105419. The reversal of 203243105401 is 104501342302.

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

It is a cyclic number.

It is not a de Polignac number, because 203243105401 - 2²⁷ = 203108887673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203243105441) 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, 571665 + ... + 856321.

It is an arithmetic number, because the mean of its divisors is an integer number (29035116000).

Almost surely, 2^203243105401 is an apocalyptic number.

It is an amenable number.

203243105401 is a deficient number, since it is larger than the sum of its proper divisors (29037822599).

203243105401 is a wasteful number, since it uses less digits than its factorization.

203243105401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386663.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 203243105401 its reverse (104501342302), we get a palindrome (307744447703).

The spelling of 203243105401 in words is "two hundred three billion, two hundred forty-three million, one hundred five thousand, four hundred one".