23427 has 12 divisors (see below), whose sum is σ = 35880. Its totient is φ = 14688.

The previous prime is 23417. The next prime is 23431. The reversal of 23427 is 72432.

It is a happy number.

23427 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 23427 - 2¹¹ = 21379 is a prime.

23427 is a lucky number.

It is a plaindrome in base 11.

It is a nialpdrome in base 13 and base 14.

It is not an unprimeable number, because it can be changed into a prime (23417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103 + ... + 239.

It is an arithmetic number, because the mean of its divisors is an integer number (2990).

2²³⁴²⁷ is an apocalyptic number.

23427 is a deficient number, since it is larger than the sum of its proper divisors (12453).

23427 is a wasteful number, since it uses less digits than its factorization.

23427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 159 counting only the distinct ones).

The product of its digits is 336, while the sum is 18.

The square root of 23427 is about 153.0588122259. The cubic root of 23427 is about 28.6135818256.

Subtracting from 23427 its sum of digits (18), we obtain a square (23409 = 153²).

Adding to 23427 its reverse (72432), we get a palindrome (95859).

The spelling of 23427 in words is "twenty-three thousand, four hundred twenty-seven", and thus it is an iban number.