11923454 has 16 divisors (see below), whose sum is σ = 18352656. Its totient is φ = 5808000.

The previous prime is 11923447. The next prime is 11923459. The reversal of 11923454 is 45432911.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11923459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13094 + ... + 13974.

It is an arithmetic number, because the mean of its divisors is an integer number (1147041).

Almost surely, 2^11923454 is an apocalyptic number.

11923454 is a deficient number, since it is larger than the sum of its proper divisors (6429202).

11923454 is a wasteful number, since it uses less digits than its factorization.

11923454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051.

The product of its digits is 4320, while the sum is 29.

The square root of 11923454 is about 3453.0354762151. The cubic root of 11923454 is about 228.4550136721.

The spelling of 11923454 in words is "eleven million, nine hundred twenty-three thousand, four hundred fifty-four".