11920923 has 48 divisors (see below), whose sum is σ = 21665280. Its totient is φ = 6158592.

The previous prime is 11920913. The next prime is 11920949. The reversal of 11920923 is 32902911.

It is not a de Polignac number, because 11920923 - 2⁹ = 11920411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11920903) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27315 + ... + 27747.

It is an arithmetic number, because the mean of its divisors is an integer number (451360).

Almost surely, 2^11920923 is an apocalyptic number.

11920923 is a deficient number, since it is larger than the sum of its proper divisors (9744357).

11920923 is a wasteful number, since it uses less digits than its factorization.

11920923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 11920923 is about 3452.6689676249. The cubic root of 11920923 is about 228.4388477591.

The spelling of 11920923 in words is "eleven million, nine hundred twenty thousand, nine hundred twenty-three".