203455330235045 has 8 divisors (see below), whose sum is σ = 279024452893824. Its totient is φ = 139512226446864.

The previous prime is 203455330235039. The next prime is 203455330235077. The reversal of 203455330235045 is 540532033554302.

It is a happy number.

203455330235045 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 203455330235045 - 2⁸ = 203455330234789 is a prime.

It is a super-2 number, since 2×203455330235045² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203455330234987 and 203455330235005.

It is a congruent 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, 2906504717609 + ... + 2906504717678.

It is an arithmetic number, because the mean of its divisors is an integer number (34878056611728).

Almost surely, 2^{203455330235045} is an apocalyptic number.

It is an amenable number.

203455330235045 is a deficient number, since it is larger than the sum of its proper divisors (75569122658779).

203455330235045 is an equidigital number, since it uses as much as digits as its factorization.

203455330235045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5813009435299.

The product of its (nonzero) digits is 3240000, while the sum is 44.

Adding to 203455330235045 its reverse (540532033554302), we get a palindrome (743987363789347).

The spelling of 203455330235045 in words is "two hundred three trillion, four hundred fifty-five billion, three hundred thirty million, two hundred thirty-five thousand, forty-five".