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2303223 = 31373809
BaseRepresentation
bin1000110010010011110111
311100000102120
420302103313
51042200343
6121211023
725401636
oct10622367
94300376
102303223
11133349a
12930a73
13628470
1443d51d
15307683
hex2324f7

2303223 has 16 divisors (see below), whose sum is σ = 3356640. Its totient is φ = 1396224.

The previous prime is 2303219. The next prime is 2303227. The reversal of 2303223 is 3223032.

It is an interprime number because it is at equal distance from previous prime (2303219) and next prime (2303227).

It is not a de Polignac number, because 2303223 - 22 = 2303219 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2443 + ... + 3251.

It is an arithmetic number, because the mean of its divisors is an integer number (209790).

22303223 is an apocalyptic number.

2303223 is a deficient number, since it is larger than the sum of its proper divisors (1053417).

2303223 is a wasteful number, since it uses less digits than its factorization.

2303223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 2303223 is about 1517.6373084502. The cubic root of 2303223 is about 132.0622410789.

Adding to 2303223 its reverse (3223032), we get a palindrome (5526255).

The spelling of 2303223 in words is "two million, three hundred three thousand, two hundred twenty-three".

Divisors: 1 3 13 39 73 219 809 949 2427 2847 10517 31551 59057 177171 767741 2303223