Search a number
-
+
23323873 = 31752383
BaseRepresentation
bin101100011111…
…0010011100001
31121212222100011
41120332103201
521432330443
62151524521
7402151426
oct130762341
947788304
1023323873
1112190631
127989741
134aa8311
143151d4d
1520aab9d
hex163e4e1

23323873 has 4 divisors (see below), whose sum is σ = 24076288. Its totient is φ = 22571460.

The previous prime is 23323831. The next prime is 23323897. The reversal of 23323873 is 37832332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23323873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 752383 = 23323873 / (2 + 3 + 3 + 2 + 3 + 8 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23323823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376161 + ... + 376222.

It is an arithmetic number, because the mean of its divisors is an integer number (6019072).

Almost surely, 223323873 is an apocalyptic number.

It is an amenable number.

23323873 is a deficient number, since it is larger than the sum of its proper divisors (752415).

23323873 is an equidigital number, since it uses as much as digits as its factorization.

23323873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752414.

The product of its digits is 18144, while the sum is 31.

The square root of 23323873 is about 4829.4795785882. The cubic root of 23323873 is about 285.7153385556.

The spelling of 23323873 in words is "twenty-three million, three hundred twenty-three thousand, eight hundred seventy-three".

Divisors: 1 31 752383 23323873