202423101013 has 4 divisors (see below), whose sum is σ = 231340686880. Its totient is φ = 173505515148.

The previous prime is 202423100989. The next prime is 202423101017. The reversal of 202423101013 is 310101324202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310101324202 = 2 ⋅155050662101.

It is not a de Polignac number, because 202423101013 - 2²¹ = 202421003861 is a prime.

It is a super-2 number, since 2×202423101013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202423101017) 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, 14458792923 + ... + 14458792936.

It is an arithmetic number, because the mean of its divisors is an integer number (57835171720).

Almost surely, 2^202423101013 is an apocalyptic number.

It is an amenable number.

202423101013 is a deficient number, since it is larger than the sum of its proper divisors (28917585867).

202423101013 is an equidigital number, since it uses as much as digits as its factorization.

202423101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28917585866.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 202423101013 its reverse (310101324202), we get a palindrome (512524425215).

The spelling of 202423101013 in words is "two hundred two billion, four hundred twenty-three million, one hundred one thousand, thirteen".