202142443003 has 4 divisors (see below), whose sum is σ = 203189813368. Its totient is φ = 201095072640.

The previous prime is 202142442973. The next prime is 202142443007. The reversal of 202142443003 is 300344241202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202142443003 - 2²⁵ = 202108888571 is a prime.

It is a super-2 number, since 2×202142443003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202142443007) 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, 523684893 + ... + 523685278.

It is an arithmetic number, because the mean of its divisors is an integer number (50797453342).

Almost surely, 2^202142443003 is an apocalyptic number.

202142443003 is a deficient number, since it is larger than the sum of its proper divisors (1047370365).

202142443003 is a wasteful number, since it uses less digits than its factorization.

202142443003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047370364.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 202142443003 its reverse (300344241202), we get a palindrome (502486684205).

The spelling of 202142443003 in words is "two hundred two billion, one hundred forty-two million, four hundred forty-three thousand, three".