20233230013 has 4 divisors (see below), whose sum is σ = 20233564128. Its totient is φ = 20232895900.

The previous prime is 20233229993. The next prime is 20233230037. The reversal of 20233230013 is 31003233202.

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 a de Polignac number, because none of the positive numbers 2^k-20233230013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233230613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47881 + ... + 206782.

It is an arithmetic number, because the mean of its divisors is an integer number (5058391032).

Almost surely, 2^20233230013 is an apocalyptic number.

It is an amenable number.

20233230013 is a deficient number, since it is larger than the sum of its proper divisors (334115).

20233230013 is an equidigital number, since it uses as much as digits as its factorization.

20233230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334114.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20233230013 its reverse (31003233202), we get a palindrome (51236463215).

The spelling of 20233230013 in words is "twenty billion, two hundred thirty-three million, two hundred thirty thousand, thirteen".