2135423 has 8 divisors (see below), whose sum is σ = 2228688. Its totient is φ = 2044224.

The previous prime is 2135417. The next prime is 2135447. The reversal of 2135423 is 3245312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2135423 - 2⁴ = 2135407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2135395 and 2135404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135453) 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, 1811 + ... + 2747.

It is an arithmetic number, because the mean of its divisors is an integer number (278586).

2^2135423 is an apocalyptic number.

2135423 is a deficient number, since it is larger than the sum of its proper divisors (93265).

2135423 is an equidigital number, since it uses as much as digits as its factorization.

2135423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its digits is 720, while the sum is 20.

The square root of 2135423 is about 1461.3086600715. The cubic root of 2135423 is about 128.7739365431.

The spelling of 2135423 in words is "two million, one hundred thirty-five thousand, four hundred twenty-three".