203245323355 has 8 divisors (see below), whose sum is σ = 244360728432. Its totient is φ = 162285365088.

The previous prime is 203245323329. The next prime is 203245323373. The reversal of 203245323355 is 553323542302.

It is a happy number.

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 203245323355 - 2¹⁹ = 203244799067 is a prime.

It is a super-2 number, since 2×203245323355² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38858824 + ... + 38864053.

It is an arithmetic number, because the mean of its divisors is an integer number (30545091054).

Almost surely, 2^203245323355 is an apocalyptic number.

203245323355 is a deficient number, since it is larger than the sum of its proper divisors (41115405077).

203245323355 is an equidigital number, since it uses as much as digits as its factorization.

203245323355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77723405.

The product of its (nonzero) digits is 324000, while the sum is 37.

Adding to 203245323355 its reverse (553323542302), we get a palindrome (756568865657).

The spelling of 203245323355 in words is "two hundred three billion, two hundred forty-five million, three hundred twenty-three thousand, three hundred fifty-five".