2051423 has 8 divisors (see below), whose sum is σ = 2249856. Its totient is φ = 1855000.

The previous prime is 2051419. The next prime is 2051429. The reversal of 2051423 is 3241502.

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 2051423 - 2² = 2051419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051429) 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, 2390 + ... + 3132.

It is an arithmetic number, because the mean of its divisors is an integer number (281232).

2^2051423 is an apocalyptic number.

2051423 is a deficient number, since it is larger than the sum of its proper divisors (198433).

2051423 is a wasteful number, since it uses less digits than its factorization.

2051423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2051423 is about 1432.2789532769. The cubic root of 2051423 is about 127.0627957376.

Adding to 2051423 its reverse (3241502), we get a palindrome (5292925).

The spelling of 2051423 in words is "two million, fifty-one thousand, four hundred twenty-three".