11487623 has 4 divisors (see below), whose sum is σ = 13128720. Its totient is φ = 9846528.

The previous prime is 11487617. The next prime is 11487629. The reversal of 11487623 is 32678411.

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

It is an interprime number because it is at equal distance from previous prime (11487617) and next prime (11487629).

It is a cyclic number.

It is not a de Polignac number, because 11487623 - 2⁴ = 11487607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11487623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11487629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820538 + ... + 820551.

It is an arithmetic number, because the mean of its divisors is an integer number (3282180).

Almost surely, 2^11487623 is an apocalyptic number.

11487623 is a deficient number, since it is larger than the sum of its proper divisors (1641097).

11487623 is an equidigital number, since it uses as much as digits as its factorization.

11487623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641096.

The product of its digits is 8064, while the sum is 32.

The square root of 11487623 is about 3389.3396111927. The cubic root of 11487623 is about 225.6368656012.

The spelling of 11487623 in words is "eleven million, four hundred eighty-seven thousand, six hundred twenty-three".