11923443 has 40 divisors (see below), whose sum is σ = 21570912. Its totient is φ = 6407424.

The previous prime is 11923433. The next prime is 11923447. The reversal of 11923443 is 34432911.

It is not a de Polignac number, because 11923443 - 2⁹ = 11922931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11923447) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9021 + ... + 10257.

Almost surely, 2^11923443 is an apocalyptic number.

11923443 is a deficient number, since it is larger than the sum of its proper divisors (9647469).

11923443 is a wasteful number, since it uses less digits than its factorization.

11923443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273 (or 1264 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 11923443 is about 3453.0338834133. The cubic root of 11923443 is about 228.4549434182.

The spelling of 11923443 in words is "eleven million, nine hundred twenty-three thousand, four hundred forty-three".