2119923 has 12 divisors (see below), whose sum is σ = 3297840. Its totient is φ = 1304496.

The previous prime is 2119921. The next prime is 2119937. The reversal of 2119923 is 3299112.

It is not a de Polignac number, because 2119923 - 2¹ = 2119921 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2119921) 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, 8943 + ... + 9176.

It is an arithmetic number, because the mean of its divisors is an integer number (274820).

2^2119923 is an apocalyptic number.

2119923 is a deficient number, since it is larger than the sum of its proper divisors (1177917).

2119923 is a wasteful number, since it uses less digits than its factorization.

2119923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18138 (or 18135 counting only the distinct ones).

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

The square root of 2119923 is about 1455.9955357074. The cubic root of 2119923 is about 128.4616104594.

The spelling of 2119923 in words is "two million, one hundred nineteen thousand, nine hundred twenty-three".