11423661 has 8 divisors (see below), whose sum is σ = 15251424. Its totient is φ = 7605840.

The previous prime is 11423647. The next prime is 11423669. The reversal of 11423661 is 16632411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11423661 - 2⁶ = 11423597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831 + ... + 4851.

It is an arithmetic number, because the mean of its divisors is an integer number (1906428).

Almost surely, 2^11423661 is an apocalyptic number.

It is an amenable number.

11423661 is a deficient number, since it is larger than the sum of its proper divisors (3827763).

11423661 is an equidigital number, since it uses as much as digits as its factorization.

11423661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971.

The product of its digits is 864, while the sum is 24.

The square root of 11423661 is about 3379.8906787055. The cubic root of 11423661 is about 225.2173110353.

The spelling of 11423661 in words is "eleven million, four hundred twenty-three thousand, six hundred sixty-one".