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2023423 = 13914557
BaseRepresentation
bin111101101111111111111
310210210121121
413231333333
51004222143
6111211411
723125123
oct7557777
93723547
102023423
111162256
12816b67
1355acbc
143a9583
1529e7ed
hex1edfff

2023423 has 4 divisors (see below), whose sum is σ = 2038120. Its totient is φ = 2008728.

The previous prime is 2023421. The next prime is 2023433. The reversal of 2023423 is 3243202.

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 2023423 - 21 = 2023421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2023397 and 2023406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2023421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7140 + ... + 7417.

It is an arithmetic number, because the mean of its divisors is an integer number (509530).

22023423 is an apocalyptic number.

2023423 is a deficient number, since it is larger than the sum of its proper divisors (14697).

2023423 is a wasteful number, since it uses less digits than its factorization.

2023423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14696.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2023423 is about 1422.4707378361. The cubic root of 2023423 is about 126.4820494560.

Adding to 2023423 its reverse (3243202), we get a palindrome (5266625).

The spelling of 2023423 in words is "two million, twenty-three thousand, four hundred twenty-three".

Divisors: 1 139 14557 2023423