11623585 has 8 divisors (see below), whose sum is σ = 14087016. Its totient is φ = 9206400.

The previous prime is 11623583. The next prime is 11623609. The reversal of 11623585 is 58532611.

It can be written as a sum of positive squares in 4 ways, for example, as 4028049 + 7595536 = 2007^2 + 2756^2 .

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

It is not a de Polignac number, because 11623585 - 2¹ = 11623583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11623583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11004 + ... + 12013.

It is an arithmetic number, because the mean of its divisors is an integer number (1760877).

Almost surely, 2^11623585 is an apocalyptic number.

It is an amenable number.

11623585 is a deficient number, since it is larger than the sum of its proper divisors (2463431).

11623585 is a wasteful number, since it uses less digits than its factorization.

11623585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23123.

The product of its digits is 7200, while the sum is 31.

The square root of 11623585 is about 3409.3379122639. The cubic root of 11623585 is about 226.5235532102.

The spelling of 11623585 in words is "eleven million, six hundred twenty-three thousand, five hundred eighty-five".