202421423013 has 16 divisors (see below), whose sum is σ = 278726246400. Its totient is φ = 130536005040.

The previous prime is 202421422999. The next prime is 202421423069. The reversal of 202421423013 is 310324124202.

It is a happy number.

It is not a de Polignac number, because 202421423013 - 2⁵ = 202421422981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202421423213) 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, 277833 + ... + 694286.

It is an arithmetic number, because the mean of its divisors is an integer number (17420390400).

Almost surely, 2^202421423013 is an apocalyptic number.

It is an amenable number.

202421423013 is a deficient number, since it is larger than the sum of its proper divisors (76304823387).

202421423013 is a wasteful number, since it uses less digits than its factorization.

202421423013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974392.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202421423013 its reverse (310324124202), we get a palindrome (512745547215).

The spelling of 202421423013 in words is "two hundred two billion, four hundred twenty-one million, four hundred twenty-three thousand, thirteen".