2015923 has 8 divisors (see below), whose sum is σ = 2481248. Its totient is φ = 1594944.

The previous prime is 2015921. The next prime is 2015933. The reversal of 2015923 is 3295102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2015923 - 2¹ = 2015921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2015894 and 2015903.

It is not an unprimeable number, because it can be changed into a prime (2015921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10986 + ... + 11167.

It is an arithmetic number, because the mean of its divisors is an integer number (310156).

2^2015923 is an apocalyptic number.

2015923 is a deficient number, since it is larger than the sum of its proper divisors (465325).

2015923 is a wasteful number, since it uses less digits than its factorization.

2015923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22173.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2015923 is about 1419.8320323193. The cubic root of 2015923 is about 126.3255836003.

The spelling of 2015923 in words is "two million, fifteen thousand, nine hundred twenty-three".