2420023 has 4 divisors (see below), whose sum is σ = 2453248. Its totient is φ = 2386800.

The previous prime is 2420017. The next prime is 2420051. The reversal of 2420023 is 3200242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3200242 = 2 ⋅1600121.

It is a cyclic number.

It is not a de Polignac number, because 2420023 - 2²¹ = 322871 is a prime.

It is a super-2 number, since 2×2420023² = 11713022641058, which contains 22 as substring.

It is a Duffinian number.

2420023 is a lucky number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 2419985 and 2420012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16503 + ... + 16648.

It is an arithmetic number, because the mean of its divisors is an integer number (613312).

2^2420023 is an apocalyptic number.

2420023 is a deficient number, since it is larger than the sum of its proper divisors (33225).

2420023 is an equidigital number, since it uses as much as digits as its factorization.

2420023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33224.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2420023 is about 1555.6423110728. The cubic root of 2420023 is about 134.2578942240.

Adding to 2420023 its reverse (3200242), we get a palindrome (5620265).

The spelling of 2420023 in words is "two million, four hundred twenty thousand, twenty-three".