2135023 has 4 divisors (see below), whose sum is σ = 2329128. Its totient is φ = 1940920.

The previous prime is 2135017. The next prime is 2135027. The reversal of 2135023 is 3205312.

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 2135023 - 2⁵ = 2134991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2134988 and 2135006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135027) 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, 97036 + ... + 97057.

It is an arithmetic number, because the mean of its divisors is an integer number (582282).

2^2135023 is an apocalyptic number.

2135023 is a deficient number, since it is larger than the sum of its proper divisors (194105).

2135023 is a wasteful number, since it uses less digits than its factorization.

2135023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194104.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 2135023 is about 1461.1717900370. The cubic root of 2135023 is about 128.7658955459.

The spelling of 2135023 in words is "two million, one hundred thirty-five thousand, twenty-three".