23331333013 has 4 divisors (see below), whose sum is σ = 23335236000. Its totient is φ = 23327430028.

The previous prime is 23331333007. The next prime is 23331333019. The reversal of 23331333013 is 31033313332.

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 an interprime number because it is at equal distance from previous prime (23331333007) and next prime (23331333019).

It is a cyclic number.

It is not a de Polignac number, because 23331333013 - 2¹⁷ = 23331201941 is a prime.

It is a super-2 number, since 2×23331333013² (a number of 22 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 (23331333019) 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, 1942513 + ... + 1954486.

It is an arithmetic number, because the mean of its divisors is an integer number (5833809000).

Almost surely, 2^23331333013 is an apocalyptic number.

It is an amenable number.

23331333013 is a deficient number, since it is larger than the sum of its proper divisors (3902987).

23331333013 is an equidigital number, since it uses as much as digits as its factorization.

23331333013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902986.

The product of its (nonzero) digits is 4374, while the sum is 25.

Adding to 23331333013 its reverse (31033313332), we get a palindrome (54364646345).

The spelling of 23331333013 in words is "twenty-three billion, three hundred thirty-one million, three hundred thirty-three thousand, thirteen".