11541623 has 16 divisors (see below), whose sum is σ = 12972960. Its totient is φ = 10214400.

The previous prime is 11541617. The next prime is 11541631. The reversal of 11541623 is 32614511.

11541623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11541623 - 2¹² = 11537527 is a prime.

It is a super-2 number, since 2×11541623² = 266418122948258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11541223) 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, 19928 + ... + 20498.

It is an arithmetic number, because the mean of its divisors is an integer number (810810).

Almost surely, 2^11541623 is an apocalyptic number.

11541623 is a deficient number, since it is larger than the sum of its proper divisors (1431337).

11541623 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 11541623 = (23641115)₉.

11541623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658.

The product of its digits is 720, while the sum is 23.

The square root of 11541623 is about 3397.2964251004. The cubic root of 11541623 is about 225.9898643221.

The spelling of 11541623 in words is "eleven million, five hundred forty-one thousand, six hundred twenty-three".