203245220353 has 8 divisors (see below), whose sum is σ = 242379393408. Its totient is φ = 166635832704.

The previous prime is 203245220351. The next prime is 203245220357. The reversal of 203245220353 is 353022542302.

It is a happy number.

203245220353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203245220353 - 2¹ = 203245220351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203245220351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631196176 + ... + 631196497.

It is an arithmetic number, because the mean of its divisors is an integer number (30297424176).

Almost surely, 2^203245220353 is an apocalyptic number.

203245220353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

203245220353 is a deficient number, since it is larger than the sum of its proper divisors (39134173055).

203245220353 is a wasteful number, since it uses less digits than its factorization.

203245220353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262392703.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 203245220353 its reverse (353022542302), we get a palindrome (556267762655).

The spelling of 203245220353 in words is "two hundred three billion, two hundred forty-five million, two hundred twenty thousand, three hundred fifty-three".