2150723 has 4 divisors (see below), whose sum is σ = 2161128. Its totient is φ = 2140320.

The previous prime is 2150719. The next prime is 2150741. The reversal of 2150723 is 3270512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2150723 - 2² = 2150719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2150695 and 2150704.

It is not an unprimeable number, because it can be changed into a prime (2150713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4886 + ... + 5307.

It is an arithmetic number, because the mean of its divisors is an integer number (540282).

2^2150723 is an apocalyptic number.

2150723 is a deficient number, since it is larger than the sum of its proper divisors (10405).

2150723 is a wasteful number, since it uses less digits than its factorization.

2150723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10404.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2150723 is about 1466.5343500921. The cubic root of 2150723 is about 129.0807538764.

The spelling of 2150723 in words is "two million, one hundred fifty thousand, seven hundred twenty-three".