11922543 has 12 divisors (see below), whose sum is σ = 17514120. Its totient is φ = 7813296.

The previous prime is 11922541. The next prime is 11922553. The reversal of 11922543 is 34522911.

11922543 is a `hidden beast` number, since 119 + 2 + 2 + 543 = 666.

It is not a de Polignac number, because 11922543 - 2¹ = 11922541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11922541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10696 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (1459510).

Almost surely, 2^11922543 is an apocalyptic number.

11922543 is a deficient number, since it is larger than the sum of its proper divisors (5591577).

11922543 is a wasteful number, since it uses less digits than its factorization.

11922543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22518 (or 22515 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 11922543 is about 3452.9035607732. The cubic root of 11922543 is about 228.4491952289.

The spelling of 11922543 in words is "eleven million, nine hundred twenty-two thousand, five hundred forty-three".