11823854 has 12 divisors (see below), whose sum is σ = 20291544. Its totient is φ = 5061852.

The previous prime is 11823853. The next prime is 11823859. The reversal of 11823854 is 45832811.

It is a self number, because there is not a number n which added to its sum of digits gives 11823854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11823853) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12407 + ... + 13325.

It is an arithmetic number, because the mean of its divisors is an integer number (1690962).

Almost surely, 2^11823854 is an apocalyptic number.

11823854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11823854 is a deficient number, since it is larger than the sum of its proper divisors (8467690).

11823854 is an frugal number, since it uses more digits than its factorization.

11823854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847 (or 928 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 11823854 is about 3438.5831384453. The cubic root of 11823854 is about 227.8171176329.

The spelling of 11823854 in words is "eleven million, eight hundred twenty-three thousand, eight hundred fifty-four".