11423432340220 has 12 divisors (see below), whose sum is σ = 23989207914504. Its totient is φ = 4569372936080.

The previous prime is 11423432340209. The next prime is 11423432340223. The reversal of 11423432340220 is 2204323432411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423432340223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285585808486 + ... + 285585808525.

It is an arithmetic number, because the mean of its divisors is an integer number (1999100659542).

Almost surely, 2^{11423432340220} is an apocalyptic number.

11423432340220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11423432340220 is an abundant number, since it is smaller than the sum of its proper divisors (12565775574284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11423432340220 is a wasteful number, since it uses less digits than its factorization.

11423432340220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571171617020 (or 571171617018 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 11423432340220 its reverse (2204323432411), we get a palindrome (13627755772631).

The spelling of 11423432340220 in words is "eleven trillion, four hundred twenty-three billion, four hundred thirty-two million, three hundred forty thousand, two hundred twenty".