10681223953 has 4 divisors (see below), whose sum is σ = 10681796160. Its totient is φ = 10680651748.

The previous prime is 10681223933. The next prime is 10681223963. The reversal of 10681223953 is 35932218601.

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: 35932218601 = 178907 ⋅200843.

It is a cyclic number.

It is not a de Polignac number, because 10681223953 - 2¹³ = 10681215761 is a prime.

It is a super-2 number, since 2×10681223953² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10681223933) 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, 257125 + ... + 295762.

It is an arithmetic number, because the mean of its divisors is an integer number (2670449040).

Almost surely, 2^10681223953 is an apocalyptic number.

It is an amenable number.

10681223953 is a deficient number, since it is larger than the sum of its proper divisors (572207).

10681223953 is an equidigital number, since it uses as much as digits as its factorization.

10681223953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572206.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 10681223953 in words is "ten billion, six hundred eighty-one million, two hundred twenty-three thousand, nine hundred fifty-three".