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23423424 = 263121997
BaseRepresentation
bin101100101011…
…0100111000000
31122002000220020
41121112213000
521444022144
62154013440
7403044603
oct131264700
948060806
1023423424
1112249402
127a17280
134b1171b
14317a33a
1520ca419
hex16569c0

23423424 has 28 divisors (see below), whose sum is σ = 61974984. Its totient is φ = 7807744.

The previous prime is 23423417. The next prime is 23423429. The reversal of 23423424 is 42432432.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 23423394 and 23423403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23423429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60807 + ... + 61190.

Almost surely, 223423424 is an apocalyptic number.

23423424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23423424 is an abundant number, since it is smaller than the sum of its proper divisors (38551560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23423424 is a wasteful number, since it uses less digits than its factorization.

23423424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122012 (or 122002 counting only the distinct ones).

The product of its digits is 4608, while the sum is 24.

The square root of 23423424 is about 4839.7752013911. The cubic root of 23423424 is about 286.1212585070.

Adding to 23423424 its reverse (42432432), we get a palindrome (65855856).

The spelling of 23423424 in words is "twenty-three million, four hundred twenty-three thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 121997 243994 365991 487988 731982 975976 1463964 1951952 2927928 3903904 5855856 7807808 11711712 23423424