11034120423 has 4 divisors (see below), whose sum is σ = 14712160568. Its totient is φ = 7356080280.

The previous prime is 11034120413. The next prime is 11034120451. The reversal of 11034120423 is 32402143011.

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

It is not a de Polignac number, because 11034120423 - 2⁹ = 11034119911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11034120423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11034120413) 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, 1839020068 + ... + 1839020073.

It is an arithmetic number, because the mean of its divisors is an integer number (3678040142).

Almost surely, 2^11034120423 is an apocalyptic number.

11034120423 is a deficient number, since it is larger than the sum of its proper divisors (3678040145).

11034120423 is an equidigital number, since it uses as much as digits as its factorization.

11034120423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678040144.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11034120423 its reverse (32402143011), we get a palindrome (43436263434).

The spelling of 11034120423 in words is "eleven billion, thirty-four million, one hundred twenty thousand, four hundred twenty-three".