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23451423 = 330725463
BaseRepresentation
bin101100101110…
…1011100011111
31122010110022020
41121131130133
522000421143
62154351223
7403222332
oct131353437
948113266
1023451423
1112268446
127a2b513
134b213a8
143186619
1520d3883
hex165d71f

23451423 has 8 divisors (see below), whose sum is σ = 31371648. Its totient is φ = 15582744.

The previous prime is 23451409. The next prime is 23451433. The reversal of 23451423 is 32415432.

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

It is not a de Polignac number, because 23451423 - 217 = 23320351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23451393 and 23451402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23451403) 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, 11811 + ... + 13652.

It is an arithmetic number, because the mean of its divisors is an integer number (3921456).

Almost surely, 223451423 is an apocalyptic number.

23451423 is a deficient number, since it is larger than the sum of its proper divisors (7920225).

23451423 is a wasteful number, since it uses less digits than its factorization.

23451423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25773.

The product of its digits is 2880, while the sum is 24.

The square root of 23451423 is about 4842.6669305250. Note that the first 3 decimals coincide. The cubic root of 23451423 is about 286.2352173547.

Adding to 23451423 its reverse (32415432), we get a palindrome (55866855).

The spelling of 23451423 in words is "twenty-three million, four hundred fifty-one thousand, four hundred twenty-three".

Divisors: 1 3 307 921 25463 76389 7817141 23451423