2137923 has 6 divisors (see below), whose sum is σ = 3088124. Its totient is φ = 1425276.

The previous prime is 2137921. The next prime is 2137931. The reversal of 2137923 is 3297312.

It is not a de Polignac number, because 2137923 - 2¹ = 2137921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2137921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118765 + ... + 118782.

2^2137923 is an apocalyptic number.

2137923 is a deficient number, since it is larger than the sum of its proper divisors (950201).

2137923 is a wasteful number, since it uses less digits than its factorization.

2137923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237553 (or 237550 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 2137923 is about 1462.1638075127. The cubic root of 2137923 is about 128.8241700394.

The spelling of 2137923 in words is "two million, one hundred thirty-seven thousand, nine hundred twenty-three".