Search a number
-
+
423123233 = 131272271129
BaseRepresentation
bin11001001110000…
…101100100100001
31002111011212221212
4121032011210201
51331304420413
6105552555505
713325326301
oct3116054441
91074155855
10423123233
111a7929825
12b9852b95
13698794a0
14402a3601
152722eca8
hex19385921

423123233 has 16 divisors (see below), whose sum is σ = 461690880. Its totient is φ = 385451136.

The previous prime is 423123191. The next prime is 423123271. The reversal of 423123233 is 332321324.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-423123233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423123199 and 423123208.

It is not an unprimeable number, because it can be changed into a prime (423123733) 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, 374213 + ... + 375341.

It is an arithmetic number, because the mean of its divisors is an integer number (28855680).

Almost surely, 2423123233 is an apocalyptic number.

It is an amenable number.

423123233 is a deficient number, since it is larger than the sum of its proper divisors (38567647).

423123233 is a wasteful number, since it uses less digits than its factorization.

423123233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496.

The product of its digits is 2592, while the sum is 23.

The square root of 423123233 is about 20569.9594797851. The cubic root of 423123233 is about 750.7389652976.

Adding to 423123233 its reverse (332321324), we get a palindrome (755444557).

The spelling of 423123233 in words is "four hundred twenty-three million, one hundred twenty-three thousand, two hundred thirty-three".

Divisors: 1 13 127 227 1129 1651 2951 14677 28829 143383 256283 374777 1863979 3331679 32547941 423123233