202003121343 has 16 divisors (see below), whose sum is σ = 270988462080. Its totient is φ = 133843491936.

The previous prime is 202003121311. The next prime is 202003121347. The reversal of 202003121343 is 343121300202.

It is not a de Polignac number, because 202003121343 - 2⁵ = 202003121311 is a prime.

It is a super-2 number, since 2×202003121343² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202003121347) 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, 4142578 + ... + 4191056.

It is an arithmetic number, because the mean of its divisors is an integer number (16936778880).

Almost surely, 2^202003121343 is an apocalyptic number.

202003121343 is a deficient number, since it is larger than the sum of its proper divisors (68985340737).

202003121343 is a wasteful number, since it uses less digits than its factorization.

202003121343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56966.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 202003121343 its reverse (343121300202), we get a palindrome (545124421545).

The spelling of 202003121343 in words is "two hundred two billion, three million, one hundred twenty-one thousand, three hundred forty-three".