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2318423 = 23100801
BaseRepresentation
bin1000110110000001010111
311100210021112
420312001113
51043142143
6121405235
725464152
oct10660127
94323245
102318423
111343958
1293981b
13632363
14444c99
1530be18
hex236057

2318423 has 4 divisors (see below), whose sum is σ = 2419248. Its totient is φ = 2217600.

The previous prime is 2318417. The next prime is 2318453. The reversal of 2318423 is 3248132.

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 2318423 - 218 = 2056279 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 100801 = 2318423 / (2 + 3 + 1 + 8 + 4 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2318453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50378 + ... + 50423.

It is an arithmetic number, because the mean of its divisors is an integer number (604812).

22318423 is an apocalyptic number.

2318423 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2318423 is a deficient number, since it is larger than the sum of its proper divisors (100825).

2318423 is a wasteful number, since it uses less digits than its factorization.

2318423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100824.

The product of its digits is 1152, while the sum is 23.

The square root of 2318423 is about 1522.6368575599. The cubic root of 2318423 is about 132.3521169603.

The spelling of 2318423 in words is "two million, three hundred eighteen thousand, four hundred twenty-three".

Divisors: 1 23 100801 2318423