11662326623 has 4 divisors (see below), whose sum is σ = 11910461280. Its totient is φ = 11414191968.

The previous prime is 11662326619. The next prime is 11662326661. The reversal of 11662326623 is 32662326611.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11662326623 - 2² = 11662326619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662326323) 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, 124067258 + ... + 124067351.

It is an arithmetic number, because the mean of its divisors is an integer number (2977615320).

Almost surely, 2^11662326623 is an apocalyptic number.

11662326623 is a deficient number, since it is larger than the sum of its proper divisors (248134657).

11662326623 is an equidigital number, since it uses as much as digits as its factorization.

11662326623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248134656.

The product of its digits is 93312, while the sum is 38.

The spelling of 11662326623 in words is "eleven billion, six hundred sixty-two million, three hundred twenty-six thousand, six hundred twenty-three".