2011424402523 has 4 divisors (see below), whose sum is σ = 2681899203368. Its totient is φ = 1340949601680.

The previous prime is 2011424402521. The next prime is 2011424402597. The reversal of 2011424402523 is 3252044241102.

It is a happy number.

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

It is not a de Polignac number, because 2011424402523 - 2¹ = 2011424402521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011424402521) 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, 335237400418 + ... + 335237400423.

It is an arithmetic number, because the mean of its divisors is an integer number (670474800842).

Almost surely, 2^{2011424402523} is an apocalyptic number.

2011424402523 is a deficient number, since it is larger than the sum of its proper divisors (670474800845).

2011424402523 is an equidigital number, since it uses as much as digits as its factorization.

2011424402523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670474800844.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 2011424402523 its reverse (3252044241102), we get a palindrome (5263468643625).

The spelling of 2011424402523 in words is "two trillion, eleven billion, four hundred twenty-four million, four hundred two thousand, five hundred twenty-three".