1135623 has 8 divisors (see below), whose sum is σ = 1563136. Its totient is φ = 732600.

The previous prime is 1135619. The next prime is 1135633. The reversal of 1135623 is 3265311.

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

It is not a de Polignac number, because 1135623 - 2² = 1135619 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 1135623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135613) 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, 6013 + ... + 6198.

It is an arithmetic number, because the mean of its divisors is an integer number (195392).

2^1135623 is an apocalyptic number.

1135623 is a deficient number, since it is larger than the sum of its proper divisors (427513).

1135623 is a wasteful number, since it uses less digits than its factorization.

1135623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12245.

The product of its digits is 540, while the sum is 21.

The square root of 1135623 is about 1065.6561359088. The cubic root of 1135623 is about 104.3305251132.

The spelling of 1135623 in words is "one million, one hundred thirty-five thousand, six hundred twenty-three".