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12423473 = 192328429
BaseRepresentation
bin101111011001…
…000100110001
3212101011210122
4233121010301
511140022343
61122140025
7210412016
oct57310461
925334718
1012423473
117015a37
1241b1615
13275c98a
14191570d
151156068
hexbd9131

12423473 has 8 divisors (see below), whose sum is σ = 13646400. Its totient is φ = 11257488.

The previous prime is 12423457. The next prime is 12423487. The reversal of 12423473 is 37432421.

12423473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12423473 - 24 = 12423457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12423373) 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, 13778 + ... + 14651.

It is an arithmetic number, because the mean of its divisors is an integer number (1705800).

Almost surely, 212423473 is an apocalyptic number.

It is an amenable number.

12423473 is a deficient number, since it is larger than the sum of its proper divisors (1222927).

12423473 is a wasteful number, since it uses less digits than its factorization.

12423473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28471.

The product of its digits is 4032, while the sum is 26.

The square root of 12423473 is about 3524.6947385554. The cubic root of 12423473 is about 231.6048627180.

Adding to 12423473 its reverse (37432421), we get a palindrome (49855894).

The spelling of 12423473 in words is "twelve million, four hundred twenty-three thousand, four hundred seventy-three".

Divisors: 1 19 23 437 28429 540151 653867 12423473