202453115403 has 48 divisors (see below), whose sum is σ = 340551364608. Its totient is φ = 104718768000.

The previous prime is 202453115401. The next prime is 202453115443. The reversal of 202453115403 is 304511354202.

It is not a de Polignac number, because 202453115403 - 2¹ = 202453115401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202453115401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 421078 + ... + 763028.

It is an arithmetic number, because the mean of its divisors is an integer number (7094820096).

Almost surely, 2^202453115403 is an apocalyptic number.

202453115403 is a deficient number, since it is larger than the sum of its proper divisors (138098249205).

202453115403 is a wasteful number, since it uses less digits than its factorization.

202453115403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342216 (or 342205 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 202453115403 its reverse (304511354202), we get a palindrome (506964469605).

The spelling of 202453115403 in words is "two hundred two billion, four hundred fifty-three million, one hundred fifteen thousand, four hundred three".