23530340213 has 4 divisors (see below), whose sum is σ = 23559355008. Its totient is φ = 23501325420.

The previous prime is 23530340209. The next prime is 23530340227. The reversal of 23530340213 is 31204303532.

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.

It is a cyclic number.

It is not a de Polignac number, because 23530340213 - 2² = 23530340209 is a prime.

It is a super-3 number, since 3×23530340213³ (a number of 32 digits) contains 333 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 (23530340243) 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, 14506181 + ... + 14507802.

It is an arithmetic number, because the mean of its divisors is an integer number (5889838752).

Almost surely, 2^23530340213 is an apocalyptic number.

It is an amenable number.

23530340213 is a deficient number, since it is larger than the sum of its proper divisors (29014795).

23530340213 is an equidigital number, since it uses as much as digits as its factorization.

23530340213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29014794.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 23530340213 its reverse (31204303532), we get a palindrome (54734643745).

The spelling of 23530340213 in words is "twenty-three billion, five hundred thirty million, three hundred forty thousand, two hundred thirteen".