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8423023 = 71963331
BaseRepresentation
bin100000001000…
…011001101111
3120211221012211
4200020121233
54124014043
6500311251
7131410630
oct40103157
916757184
108423023
114833384
1229a2527
13198bb4b
141193887
15b15a9d
hex80866f

8423023 has 8 divisors (see below), whose sum is σ = 10133120. Its totient is φ = 6839640.

The previous prime is 8422993. The next prime is 8423027. The reversal of 8423023 is 3203248.

8423023 is nontrivially palindromic in base 11.

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 8423023 - 29 = 8422511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8422985 and 8423003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423027) 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, 31533 + ... + 31798.

It is an arithmetic number, because the mean of its divisors is an integer number (1266640).

Almost surely, 28423023 is an apocalyptic number.

8423023 is a deficient number, since it is larger than the sum of its proper divisors (1710097).

8423023 is a wasteful number, since it uses less digits than its factorization.

8423023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63357.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 8423023 is about 2902.2444762632. The cubic root of 8423023 is about 203.4648201476.

The spelling of 8423023 in words is "eight million, four hundred twenty-three thousand, twenty-three".

Divisors: 1 7 19 133 63331 443317 1203289 8423023