11923842 has 32 divisors (see below), whose sum is σ = 27994752. Its totient is φ = 3314304.

The previous prime is 11923831. The next prime is 11923861. The reversal of 11923842 is 24832911.

11923842 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2283 + ... + 5390.

It is an arithmetic number, because the mean of its divisors is an integer number (874836).

Almost surely, 2^11923842 is an apocalyptic number.

11923842 is an abundant number, since it is smaller than the sum of its proper divisors (16070910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11923842 is a wasteful number, since it uses less digits than its factorization.

11923842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7722.

The product of its digits is 3456, while the sum is 30.

The square root of 11923842 is about 3453.0916582101. The cubic root of 11923842 is about 228.4574916896.

The spelling of 11923842 in words is "eleven million, nine hundred twenty-three thousand, eight hundred forty-two".