11023389 has 24 divisors (see below), whose sum is σ = 17402112. Its totient is φ = 6683040.

The previous prime is 11023381. The next prime is 11023391. The reversal of 11023389 is 98332011.

It is not a de Polignac number, because 11023389 - 2³ = 11023381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11023381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7644 + ... + 8970.

It is an arithmetic number, because the mean of its divisors is an integer number (725088).

Almost surely, 2^11023389 is an apocalyptic number.

It is an amenable number.

11023389 is a deficient number, since it is larger than the sum of its proper divisors (6378723).

11023389 is a wasteful number, since it uses less digits than its factorization.

11023389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11023389 is about 3320.1489424422. The cubic root of 11023389 is about 222.5555237437. Note that the first 4 decimals are identical.

The spelling of 11023389 in words is "eleven million, twenty-three thousand, three hundred eighty-nine".