11523310350223 has 4 divisors (see below), whose sum is σ = 13169497543120. Its totient is φ = 9877123157328.

The previous prime is 11523310350217. The next prime is 11523310350241. The reversal of 11523310350223 is 32205301332511.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11523310350223 - 2¹⁷ = 11523310219151 is a prime.

It is a super-2 number, since 2×11523310350223² (a number of 27 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 (11523310356223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823093596438 + ... + 823093596451.

It is an arithmetic number, because the mean of its divisors is an integer number (3292374385780).

Almost surely, 2^{11523310350223} is an apocalyptic number.

11523310350223 is a deficient number, since it is larger than the sum of its proper divisors (1646187192897).

11523310350223 is an equidigital number, since it uses as much as digits as its factorization.

11523310350223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646187192896.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 11523310350223 its reverse (32205301332511), we get a palindrome (43728611682734).

The spelling of 11523310350223 in words is "eleven trillion, five hundred twenty-three billion, three hundred ten million, three hundred fifty thousand, two hundred twenty-three".