202553135323 has 16 divisors (see below), whose sum is σ = 252761598720. Its totient is φ = 157691224800.

The previous prime is 202553135299. The next prime is 202553135359. The reversal of 202553135323 is 323531355202.

It is a cyclic number.

It is not a de Polignac number, because 202553135323 - 2¹³ = 202553127131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202553135623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100613 + ... + 1271398.

It is an arithmetic number, because the mean of its divisors is an integer number (15797599920).

Almost surely, 2^202553135323 is an apocalyptic number.

202553135323 is a deficient number, since it is larger than the sum of its proper divisors (50208463397).

202553135323 is a wasteful number, since it uses less digits than its factorization.

202553135323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373138.

The product of its (nonzero) digits is 81000, while the sum is 34.

The spelling of 202553135323 in words is "two hundred two billion, five hundred fifty-three million, one hundred thirty-five thousand, three hundred twenty-three".