203430242399 has 8 divisors (see below), whose sum is σ = 215656569360. Its totient is φ = 191232786816.

The previous prime is 203430242387. The next prime is 203430242503. The reversal of 203430242399 is 993242034302.

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 203430242399 - 2¹⁶ = 203430176863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203430242329) 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, 7203329 + ... + 7231514.

It is an arithmetic number, because the mean of its divisors is an integer number (26957071170).

Almost surely, 2^203430242399 is an apocalyptic number.

203430242399 is a deficient number, since it is larger than the sum of its proper divisors (12226326961).

203430242399 is a wasteful number, since it uses less digits than its factorization.

203430242399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14435689.

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 203430242399 in words is "two hundred three billion, four hundred thirty million, two hundred forty-two thousand, three hundred ninety-nine".