11623611 has 16 divisors (see below), whose sum is σ = 16586240. Its totient is φ = 7218720.

The previous prime is 11623609. The next prime is 11623621. The reversal of 11623611 is 11632611.

It is not a de Polignac number, because 11623611 - 2¹ = 11623609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11623621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1806 + ... + 5148.

It is an arithmetic number, because the mean of its divisors is an integer number (1036640).

Almost surely, 2^11623611 is an apocalyptic number.

11623611 is a deficient number, since it is larger than the sum of its proper divisors (4962629).

11623611 is a wasteful number, since it uses less digits than its factorization.

11623611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426.

The product of its digits is 216, while the sum is 21.

The square root of 11623611 is about 3409.3417253188. The cubic root of 11623611 is about 226.5237221084.

The spelling of 11623611 in words is "eleven million, six hundred twenty-three thousand, six hundred eleven".