11923240 has 64 divisors (see below), whose sum is σ = 31046400. Its totient is φ = 4036608.

The previous prime is 11923237. The next prime is 11923259. The reversal of 11923240 is 4232911.

It is a congruent number.

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, 26941 + ... + 27379.

It is an arithmetic number, because the mean of its divisors is an integer number (485100).

Almost surely, 2^11923240 is an apocalyptic number.

11923240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11923240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15523200).

11923240 is an abundant number, since it is smaller than the sum of its proper divisors (19123160).

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

11923240 is a wasteful number, since it uses less digits than its factorization.

11923240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 11923240 is about 3453.0044888474. The cubic root of 11923240 is about 228.4536469074.

The spelling of 11923240 in words is "eleven million, nine hundred twenty-three thousand, two hundred forty".