203423110311304 has 16 divisors (see below), whose sum is σ = 410758203513420. Its totient is φ = 93887589374400.

The previous prime is 203423110311287. The next prime is 203423110311307. The reversal of 203423110311304 is 403113011324302.

203423110311304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 179047146722500 + 24375963588804 = 13380850^2 + 4937202^2 .

It is not an unprimeable number, because it can be changed into a prime (203423110311307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977995722547 + ... + 977995722754.

Almost surely, 2^{203423110311304} is an apocalyptic number.

It is an amenable number.

203423110311304 is an abundant number, since it is smaller than the sum of its proper divisors (207335093202116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203423110311304 is a wasteful number, since it uses less digits than its factorization.

203423110311304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955991445320 (or 1955991445316 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 203423110311304 its reverse (403113011324302), we get a palindrome (606536121635606).

The spelling of 203423110311304 in words is "two hundred three trillion, four hundred twenty-three billion, one hundred ten million, three hundred eleven thousand, three hundred four".