11397023 has 4 divisors (see below), whose sum is σ = 12433128. Its totient is φ = 10360920.

The previous prime is 11397013. The next prime is 11397031. The reversal of 11397023 is 32079311.

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 11397023 - 2⁴ = 11397007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11396983 and 11397001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11397013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518036 + ... + 518057.

It is an arithmetic number, because the mean of its divisors is an integer number (3108282).

Almost surely, 2^11397023 is an apocalyptic number.

11397023 is a deficient number, since it is larger than the sum of its proper divisors (1036105).

11397023 is a wasteful number, since it uses less digits than its factorization.

11397023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036104.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 11397023 is about 3375.9477187895. The cubic root of 11397023 is about 225.0421188640.

The spelling of 11397023 in words is "eleven million, three hundred ninety-seven thousand, twenty-three".