11423872816654 has 4 divisors (see below), whose sum is σ = 17135809224984. Its totient is φ = 5711936408326.

The previous prime is 11423872816639. The next prime is 11423872816663. The reversal of 11423872816654 is 45661827832411.

It is a happy number.

11423872816654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2855968204162 + ... + 2855968204165.

It is an arithmetic number, because the mean of its divisors is an integer number (4283952306246).

Almost surely, 2^{11423872816654} is an apocalyptic number.

11423872816654 is a deficient number, since it is larger than the sum of its proper divisors (5711936408330).

11423872816654 is an equidigital number, since it uses as much as digits as its factorization.

11423872816654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711936408329.

The product of its digits is 15482880, while the sum is 58.

The spelling of 11423872816654 in words is "eleven trillion, four hundred twenty-three billion, eight hundred seventy-two million, eight hundred sixteen thousand, six hundred fifty-four".