105440233513 has 4 divisors (see below), whose sum is σ = 105515603200. Its totient is φ = 105364863828.

The previous prime is 105440233417. The next prime is 105440233519. The reversal of 105440233513 is 315332044501.

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: 315332044501 = 53 ⋅5949661217.

It is a cyclic number.

It is not a de Polignac number, because 105440233513 - 2⁹ = 105440233001 is a prime.

It is a super-2 number, since 2×105440233513² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105440233519) 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, 37682745 + ... + 37685542.

It is an arithmetic number, because the mean of its divisors is an integer number (26378900800).

Almost surely, 2^105440233513 is an apocalyptic number.

It is an amenable number.

105440233513 is a deficient number, since it is larger than the sum of its proper divisors (75369687).

105440233513 is an equidigital number, since it uses as much as digits as its factorization.

105440233513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75369686.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 105440233513 in words is "one hundred five billion, four hundred forty million, two hundred thirty-three thousand, five hundred thirteen".