11923422 has 32 divisors (see below), whose sum is σ = 27370752. Its totient is φ = 3392064.

The previous prime is 11923403. The next prime is 11923423. The reversal of 11923422 is 22432911.

It is a junction number, because it is equal to n+sod(n) for n = 11923392 and 11923401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11923423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12693 + ... + 13599.

It is an arithmetic number, because the mean of its divisors is an integer number (855336).

Almost surely, 2^11923422 is an apocalyptic number.

11923422 is an abundant number, since it is smaller than the sum of its proper divisors (15447330).

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

11923422 is a wasteful number, since it uses less digits than its factorization.

11923422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232.

The product of its digits is 864, while the sum is 24.

The square root of 11923422 is about 3453.0308426077. The cubic root of 11923422 is about 228.4548092971.

Adding to 11923422 its product of digits (864), we get a triangular number (11924286 = T₄₈₈₃).

The spelling of 11923422 in words is "eleven million, nine hundred twenty-three thousand, four hundred twenty-two".