11297623 has 4 divisors (see below), whose sum is σ = 11788848. Its totient is φ = 10806400.

The previous prime is 11297621. The next prime is 11297677. The reversal of 11297623 is 32679211.

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

It is a cyclic number.

It is not a de Polignac number, because 11297623 - 2¹ = 11297621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11297621) 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, 245578 + ... + 245623.

It is an arithmetic number, because the mean of its divisors is an integer number (2947212).

Almost surely, 2^11297623 is an apocalyptic number.

11297623 is a deficient number, since it is larger than the sum of its proper divisors (491225).

11297623 is an equidigital number, since it uses as much as digits as its factorization.

11297623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491224.

The product of its digits is 4536, while the sum is 31.

The square root of 11297623 is about 3361.1936867726. The cubic root of 11297623 is about 224.3859669585.

The spelling of 11297623 in words is "eleven million, two hundred ninety-seven thousand, six hundred twenty-three".