11611047023 has 4 divisors (see below), whose sum is σ = 11611279680. Its totient is φ = 11610814368.

The previous prime is 11611047017. The next prime is 11611047037. The reversal of 11611047023 is 32074011611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32074011611 = 4457 ⋅7196323.

It is a cyclic number.

It is not a de Polignac number, because 11611047023 - 2⁶ = 11611046959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11611046983 and 11611047001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11611047053) 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, 7583 + ... + 152576.

It is an arithmetic number, because the mean of its divisors is an integer number (2902819920).

Almost surely, 2^11611047023 is an apocalyptic number.

11611047023 is a deficient number, since it is larger than the sum of its proper divisors (232657).

11611047023 is an equidigital number, since it uses as much as digits as its factorization.

11611047023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232656.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 11611047023 its reverse (32074011611), we get a palindrome (43685058634).

The spelling of 11611047023 in words is "eleven billion, six hundred eleven million, forty-seven thousand, twenty-three".