23344404513 has 4 divisors (see below), whose sum is σ = 31125872688. Its totient is φ = 15562936340.

The previous prime is 23344404383. The next prime is 23344404521. The reversal of 23344404513 is 31540444332.

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 23344404513 - 2¹⁶ = 23344338977 is a prime.

It is a super-2 number, since 2×23344404513² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23344404533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3890734083 + ... + 3890734088.

It is an arithmetic number, because the mean of its divisors is an integer number (7781468172).

Almost surely, 2^23344404513 is an apocalyptic number.

It is an amenable number.

23344404513 is a deficient number, since it is larger than the sum of its proper divisors (7781468175).

23344404513 is an equidigital number, since it uses as much as digits as its factorization.

23344404513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7781468174.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 23344404513 its reverse (31540444332), we get a palindrome (54884848845).

The spelling of 23344404513 in words is "twenty-three billion, three hundred forty-four million, four hundred four thousand, five hundred thirteen".